Home / 2,221,673.76-3,065,909.04-1,203,078.24

Finding the Fourth Proportional to 2,221,673.76, 3,065,909.04 and 1,203,078.24

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Solution

The fourth proportional to 2,221,673.76, 3,065,909.04 and 1,203,078.24 is: 1,660,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,673.76 : 3,065,909.04 = 1,203,078.24 : x
  2. Step 2: Convert to fraction form
    2,221,673.76/3,065,909.04 = 1,203,078.24/x
  3. Step 3: Cross multiply
    2,221,673.76x = 3,065,909.04 × 1,203,078.24
  4. Step 4: Simplify right side
    2,221,673.76x = 3,688,528,451,843.29
  5. Step 5: Solve for x
    x = 3,688,528,451,843.29/2,221,673.76
  6. Step 6: Final answer
    x = 1,660,247.57

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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.