Home / 3,974,575.20-5,962,856.40-1,279,154.40

Finding the Fourth Proportional to 3,974,575.20, 5,962,856.40 and 1,279,154.40

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Solution

The fourth proportional to 3,974,575.20, 5,962,856.40 and 1,279,154.40 is: 1,919,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,575.20 : 5,962,856.40 = 1,279,154.40 : x
  2. Step 2: Convert to fraction form
    3,974,575.20/5,962,856.40 = 1,279,154.40/x
  3. Step 3: Cross multiply
    3,974,575.20x = 5,962,856.40 × 1,279,154.40
  4. Step 4: Simplify right side
    3,974,575.20x = 7,627,414,000,628.16
  5. Step 5: Solve for x
    x = 7,627,414,000,628.16/3,974,575.20
  6. Step 6: Final answer
    x = 1,919,051.37

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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.