Home / 2,814,448-4,221,672-1,238,512

Finding the Fourth Proportional to 2,814,448, 4,221,672 and 1,238,512

Calculator

Solution

The fourth proportional to 2,814,448, 4,221,672 and 1,238,512 is: 1,857,768

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,448 : 4,221,672 = 1,238,512 : x
  2. Step 2: Convert to fraction form
    2,814,448/4,221,672 = 1,238,512/x
  3. Step 3: Cross multiply
    2,814,448x = 4,221,672 × 1,238,512
  4. Step 4: Simplify right side
    2,814,448x = 5,228,591,432,064
  5. Step 5: Solve for x
    x = 5,228,591,432,064/2,814,448
  6. Step 6: Final answer
    x = 1,857,768

Related Problems

Find fourth proportional to 1,407,224, 2,110,836 and 619,256
Half scale
Find fourth proportional to 5,628,896, 8,443,344 and 2,477,024
Double scale
Find fourth proportional to 2,814,449, 4,221,673.50 and 1,238,513
Similar ratio
Find fourth proportional to 4,221,672, 6,332,508 and 1,857,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.