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Finding the Fourth Proportional to 5,934,990.90, 8,902,486.35 and 5,872,005.30

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Solution

The fourth proportional to 5,934,990.90, 8,902,486.35 and 5,872,005.30 is: 8,808,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,934,990.90 : 8,902,486.35 = 5,872,005.30 : x
  2. Step 2: Convert to fraction form
    5,934,990.90/8,902,486.35 = 5,872,005.30/x
  3. Step 3: Cross multiply
    5,934,990.90x = 8,902,486.35 × 5,872,005.30
  4. Step 4: Simplify right side
    5,934,990.90x = 52,275,447,030,377.65
  5. Step 5: Solve for x
    x = 52,275,447,030,377.65/5,934,990.90
  6. Step 6: Final answer
    x = 8,808,007.95

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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.