Home / 4,747,863.60-7,124,857.20-2,619,475.20

Finding the Fourth Proportional to 4,747,863.60, 7,124,857.20 and 2,619,475.20

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Solution

The fourth proportional to 4,747,863.60, 7,124,857.20 and 2,619,475.20 is: 3,930,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747,863.60 : 7,124,857.20 = 2,619,475.20 : x
  2. Step 2: Convert to fraction form
    4,747,863.60/7,124,857.20 = 2,619,475.20/x
  3. Step 3: Cross multiply
    4,747,863.60x = 7,124,857.20 × 2,619,475.20
  4. Step 4: Simplify right side
    4,747,863.60x = 18,663,386,738,941.44
  5. Step 5: Solve for x
    x = 18,663,386,738,941.44/4,747,863.60
  6. Step 6: Final answer
    x = 3,930,902.05

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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.