Home / 3,974,570.20-5,962,848.90-1,279,149.40

Finding the Fourth Proportional to 3,974,570.20, 5,962,848.90 and 1,279,149.40

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Solution

The fourth proportional to 3,974,570.20, 5,962,848.90 and 1,279,149.40 is: 1,919,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,570.20 : 5,962,848.90 = 1,279,149.40 : x
  2. Step 2: Convert to fraction form
    3,974,570.20/5,962,848.90 = 1,279,149.40/x
  3. Step 3: Cross multiply
    3,974,570.20x = 5,962,848.90 × 1,279,149.40
  4. Step 4: Simplify right side
    3,974,570.20x = 7,627,374,592,725.66
  5. Step 5: Solve for x
    x = 7,627,374,592,725.66/3,974,570.20
  6. Step 6: Final answer
    x = 1,919,043.87

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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.