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Finding the Fourth Proportional to 5,764,953.75, 7,955,637.89 and 3,151,469.27

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Solution

The fourth proportional to 5,764,953.75, 7,955,637.89 and 3,151,469.27 is: 4,349,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764,953.75 : 7,955,637.89 = 3,151,469.27 : x
  2. Step 2: Convert to fraction form
    5,764,953.75/7,955,637.89 = 3,151,469.27/x
  3. Step 3: Cross multiply
    5,764,953.75x = 7,955,637.89 × 3,151,469.27
  4. Step 4: Simplify right side
    5,764,953.75x = 25,071,948,278,047.11
  5. Step 5: Solve for x
    x = 25,071,948,278,047.11/5,764,953.75
  6. Step 6: Final answer
    x = 4,349,028.52

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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.