Home / 5,715,404.47-7,886,970.39-3,392,398.36

Finding the Fourth Proportional to 5,715,404.47, 7,886,970.39 and 3,392,398.36

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Solution

The fourth proportional to 5,715,404.47, 7,886,970.39 and 3,392,398.36 is: 4,681,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,404.47 : 7,886,970.39 = 3,392,398.36 : x
  2. Step 2: Convert to fraction form
    5,715,404.47/7,886,970.39 = 3,392,398.36/x
  3. Step 3: Cross multiply
    5,715,404.47x = 7,886,970.39 × 3,392,398.36
  4. Step 4: Simplify right side
    5,715,404.47x = 26,755,745,416,404.56
  5. Step 5: Solve for x
    x = 26,755,745,416,404.56/5,715,404.47
  6. Step 6: Final answer
    x = 4,681,338.92

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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.