Home / 4,074,672.40-6,112,008.60-2,639,781.70

Finding the Fourth Proportional to 4,074,672.40, 6,112,008.60 and 2,639,781.70

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Solution

The fourth proportional to 4,074,672.40, 6,112,008.60 and 2,639,781.70 is: 3,959,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074,672.40 : 6,112,008.60 = 2,639,781.70 : x
  2. Step 2: Convert to fraction form
    4,074,672.40/6,112,008.60 = 2,639,781.70/x
  3. Step 3: Cross multiply
    4,074,672.40x = 6,112,008.60 × 2,639,781.70
  4. Step 4: Simplify right side
    4,074,672.40x = 16,134,368,452,522.62
  5. Step 5: Solve for x
    x = 16,134,368,452,522.62/4,074,672.40
  6. Step 6: Final answer
    x = 3,959,672.55

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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.