Home / 6,371,020.50-8,791,759.65-3,894,387.54

Finding the Fourth Proportional to 6,371,020.50, 8,791,759.65 and 3,894,387.54

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Solution

The fourth proportional to 6,371,020.50, 8,791,759.65 and 3,894,387.54 is: 5,374,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371,020.50 : 8,791,759.65 = 3,894,387.54 : x
  2. Step 2: Convert to fraction form
    6,371,020.50/8,791,759.65 = 3,894,387.54/x
  3. Step 3: Cross multiply
    6,371,020.50x = 8,791,759.65 × 3,894,387.54
  4. Step 4: Simplify right side
    6,371,020.50x = 34,238,519,235,634.76
  5. Step 5: Solve for x
    x = 34,238,519,235,634.76/6,371,020.50
  6. Step 6: Final answer
    x = 5,374,102.82

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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.