Home / 5,921,119.20-8,881,941.24-1,661,193.12

Finding the Fourth Proportional to 5,921,119.20, 8,881,941.24 and 1,661,193.12

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Solution

The fourth proportional to 5,921,119.20, 8,881,941.24 and 1,661,193.12 is: 2,491,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921,119.20 : 8,881,941.24 = 1,661,193.12 : x
  2. Step 2: Convert to fraction form
    5,921,119.20/8,881,941.24 = 1,661,193.12/x
  3. Step 3: Cross multiply
    5,921,119.20x = 8,881,941.24 × 1,661,193.12
  4. Step 4: Simplify right side
    5,921,119.20x = 14,754,619,680,132.27
  5. Step 5: Solve for x
    x = 14,754,619,680,132.27/5,921,119.20
  6. Step 6: Final answer
    x = 2,491,863.31

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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.