Home / 6,442,687.18-9,671,032.95-2,607,149.53

Finding the Fourth Proportional to 6,442,687.18, 9,671,032.95 and 2,607,149.53

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Solution

The fourth proportional to 6,442,687.18, 9,671,032.95 and 2,607,149.53 is: 3,913,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,687.18 : 9,671,032.95 = 2,607,149.53 : x
  2. Step 2: Convert to fraction form
    6,442,687.18/9,671,032.95 = 2,607,149.53/x
  3. Step 3: Cross multiply
    6,442,687.18x = 9,671,032.95 × 2,607,149.53
  4. Step 4: Simplify right side
    6,442,687.18x = 25,213,829,010,207.01
  5. Step 5: Solve for x
    x = 25,213,829,010,207.01/6,442,687.18
  6. Step 6: Final answer
    x = 3,913,557.85

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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.