Home / 3,959,689.72-5,940,177.90-1,226,598.88

Finding the Fourth Proportional to 3,959,689.72, 5,940,177.90 and 1,226,598.88

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Solution

The fourth proportional to 3,959,689.72, 5,940,177.90 and 1,226,598.88 is: 1,840,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,689.72 : 5,940,177.90 = 1,226,598.88 : x
  2. Step 2: Convert to fraction form
    3,959,689.72/5,940,177.90 = 1,226,598.88/x
  3. Step 3: Cross multiply
    3,959,689.72x = 5,940,177.90 × 1,226,598.88
  4. Step 4: Simplify right side
    3,959,689.72x = 7,286,215,559,140.75
  5. Step 5: Solve for x
    x = 7,286,215,559,140.75/3,959,689.72
  6. Step 6: Final answer
    x = 1,840,097.60

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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.