Home / 3,115,957.56-4,673,468.54-985,764.88

Finding the Fourth Proportional to 3,115,957.56, 4,673,468.54 and 985,764.88

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Solution

The fourth proportional to 3,115,957.56, 4,673,468.54 and 985,764.88 is: 1,478,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,957.56 : 4,673,468.54 = 985,764.88 : x
  2. Step 2: Convert to fraction form
    3,115,957.56/4,673,468.54 = 985,764.88/x
  3. Step 3: Cross multiply
    3,115,957.56x = 4,673,468.54 × 985,764.88
  4. Step 4: Simplify right side
    3,115,957.56x = 4,606,941,154,516.88
  5. Step 5: Solve for x
    x = 4,606,941,154,516.88/3,115,957.56
  6. Step 6: Final answer
    x = 1,478,499.33

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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.