Home / 5,209,139.30-7,814,004.17-1,615,417.16

Finding the Fourth Proportional to 5,209,139.30, 7,814,004.17 and 1,615,417.16

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Solution

The fourth proportional to 5,209,139.30, 7,814,004.17 and 1,615,417.16 is: 2,423,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,139.30 : 7,814,004.17 = 1,615,417.16 : x
  2. Step 2: Convert to fraction form
    5,209,139.30/7,814,004.17 = 1,615,417.16/x
  3. Step 3: Cross multiply
    5,209,139.30x = 7,814,004.17 × 1,615,417.16
  4. Step 4: Simplify right side
    5,209,139.30x = 12,622,876,377,382.45
  5. Step 5: Solve for x
    x = 12,622,876,377,382.45/5,209,139.30
  6. Step 6: Final answer
    x = 2,423,217.28

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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.