Home / 5,432,812.40-8,149,218.60-1,645,803.20

Finding the Fourth Proportional to 5,432,812.40, 8,149,218.60 and 1,645,803.20

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Solution

The fourth proportional to 5,432,812.40, 8,149,218.60 and 1,645,803.20 is: 2,468,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,812.40 : 8,149,218.60 = 1,645,803.20 : x
  2. Step 2: Convert to fraction form
    5,432,812.40/8,149,218.60 = 1,645,803.20/x
  3. Step 3: Cross multiply
    5,432,812.40x = 8,149,218.60 × 1,645,803.20
  4. Step 4: Simplify right side
    5,432,812.40x = 13,412,010,049,379.52
  5. Step 5: Solve for x
    x = 13,412,010,049,379.52/5,432,812.40
  6. Step 6: Final answer
    x = 2,468,704.80

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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.