Home / 5,431,015.40-8,151,115.80-2,238,432.80

Finding the Fourth Proportional to 5,431,015.40, 8,151,115.80 and 2,238,432.80

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Solution

The fourth proportional to 5,431,015.40, 8,151,115.80 and 2,238,432.80 is: 3,359,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,015.40 : 8,151,115.80 = 2,238,432.80 : x
  2. Step 2: Convert to fraction form
    5,431,015.40/8,151,115.80 = 2,238,432.80/x
  3. Step 3: Cross multiply
    5,431,015.40x = 8,151,115.80 × 2,238,432.80
  4. Step 4: Simplify right side
    5,431,015.40x = 18,245,724,963,318.24
  5. Step 5: Solve for x
    x = 18,245,724,963,318.24/5,431,015.40
  6. Step 6: Final answer
    x = 3,359,542.11

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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.