Home / 2,568,323.16-3,544,242.48-1,422,378.90

Finding the Fourth Proportional to 2,568,323.16, 3,544,242.48 and 1,422,378.90

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Solution

The fourth proportional to 2,568,323.16, 3,544,242.48 and 1,422,378.90 is: 1,962,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,323.16 : 3,544,242.48 = 1,422,378.90 : x
  2. Step 2: Convert to fraction form
    2,568,323.16/3,544,242.48 = 1,422,378.90/x
  3. Step 3: Cross multiply
    2,568,323.16x = 3,544,242.48 × 1,422,378.90
  4. Step 4: Simplify right side
    2,568,323.16x = 5,041,255,720,035.67
  5. Step 5: Solve for x
    x = 5,041,255,720,035.67/2,568,323.16
  6. Step 6: Final answer
    x = 1,962,858.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.