Home / 6,438,599.57-8,885,761.61-3,686,150.31

Finding the Fourth Proportional to 6,438,599.57, 8,885,761.61 and 3,686,150.31

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Solution

The fourth proportional to 6,438,599.57, 8,885,761.61 and 3,686,150.31 is: 5,087,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,599.57 : 8,885,761.61 = 3,686,150.31 : x
  2. Step 2: Convert to fraction form
    6,438,599.57/8,885,761.61 = 3,686,150.31/x
  3. Step 3: Cross multiply
    6,438,599.57x = 8,885,761.61 × 3,686,150.31
  4. Step 4: Simplify right side
    6,438,599.57x = 32,754,252,894,856.85
  5. Step 5: Solve for x
    x = 32,754,252,894,856.85/6,438,599.57
  6. Step 6: Final answer
    x = 5,087,170.36

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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.