Home / 5,013,778.32-6,912,332.04-3,984,721.68

Finding the Fourth Proportional to 5,013,778.32, 6,912,332.04 and 3,984,721.68

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Solution

The fourth proportional to 5,013,778.32, 6,912,332.04 and 3,984,721.68 is: 5,493,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013,778.32 : 6,912,332.04 = 3,984,721.68 : x
  2. Step 2: Convert to fraction form
    5,013,778.32/6,912,332.04 = 3,984,721.68/x
  3. Step 3: Cross multiply
    5,013,778.32x = 6,912,332.04 × 3,984,721.68
  4. Step 4: Simplify right side
    5,013,778.32x = 27,543,719,339,146.63
  5. Step 5: Solve for x
    x = 27,543,719,339,146.63/5,013,778.32
  6. Step 6: Final answer
    x = 5,493,605.34

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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.