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Finding the Fourth Proportional to 6,593,999.90, 9,890,999.85 and 4,574,524.10

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Solution

The fourth proportional to 6,593,999.90, 9,890,999.85 and 4,574,524.10 is: 6,861,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,593,999.90 : 9,890,999.85 = 4,574,524.10 : x
  2. Step 2: Convert to fraction form
    6,593,999.90/9,890,999.85 = 4,574,524.10/x
  3. Step 3: Cross multiply
    6,593,999.90x = 9,890,999.85 × 4,574,524.10
  4. Step 4: Simplify right side
    6,593,999.90x = 45,246,617,186,921.38
  5. Step 5: Solve for x
    x = 45,246,617,186,921.38/6,593,999.90
  6. Step 6: Final answer
    x = 6,861,786.15

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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.