Home / 2,803,612.29-4,205,358.09-781,802.38

Finding the Fourth Proportional to 2,803,612.29, 4,205,358.09 and 781,802.38

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Solution

The fourth proportional to 2,803,612.29, 4,205,358.09 and 781,802.38 is: 1,172,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,612.29 : 4,205,358.09 = 781,802.38 : x
  2. Step 2: Convert to fraction form
    2,803,612.29/4,205,358.09 = 781,802.38/x
  3. Step 3: Cross multiply
    2,803,612.29x = 4,205,358.09 × 781,802.38
  4. Step 4: Simplify right side
    2,803,612.29x = 3,287,758,953,000.86
  5. Step 5: Solve for x
    x = 3,287,758,953,000.86/2,803,612.29
  6. Step 6: Final answer
    x = 1,172,686.74

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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.