Home / 5,121,758.34-7,071,321.45-3,287,007.51

Finding the Fourth Proportional to 5,121,758.34, 7,071,321.45 and 3,287,007.51

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Solution

The fourth proportional to 5,121,758.34, 7,071,321.45 and 3,287,007.51 is: 4,538,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,758.34 : 7,071,321.45 = 3,287,007.51 : x
  2. Step 2: Convert to fraction form
    5,121,758.34/7,071,321.45 = 3,287,007.51/x
  3. Step 3: Cross multiply
    5,121,758.34x = 7,071,321.45 × 3,287,007.51
  4. Step 4: Simplify right side
    5,121,758.34x = 23,243,486,711,774.09
  5. Step 5: Solve for x
    x = 23,243,486,711,774.09/5,121,758.34
  6. Step 6: Final answer
    x = 4,538,184.97

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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.