Home / 3,158,298.83-4,737,448.69-762,143.47

Finding the Fourth Proportional to 3,158,298.83, 4,737,448.69 and 762,143.47

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Solution

The fourth proportional to 3,158,298.83, 4,737,448.69 and 762,143.47 is: 1,143,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,298.83 : 4,737,448.69 = 762,143.47 : x
  2. Step 2: Convert to fraction form
    3,158,298.83/4,737,448.69 = 762,143.47/x
  3. Step 3: Cross multiply
    3,158,298.83x = 4,737,448.69 × 762,143.47
  4. Step 4: Simplify right side
    3,158,298.83x = 3,610,615,569,794.57
  5. Step 5: Solve for x
    x = 3,610,615,569,794.57/3,158,298.83
  6. Step 6: Final answer
    x = 1,143,215.31

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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.