Home / 2,087,211.60-3,126,670.20-1,138,885.20

Finding the Fourth Proportional to 2,087,211.60, 3,126,670.20 and 1,138,885.20

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Solution

The fourth proportional to 2,087,211.60, 3,126,670.20 and 1,138,885.20 is: 1,706,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,211.60 : 3,126,670.20 = 1,138,885.20 : x
  2. Step 2: Convert to fraction form
    2,087,211.60/3,126,670.20 = 1,138,885.20/x
  3. Step 3: Cross multiply
    2,087,211.60x = 3,126,670.20 × 1,138,885.20
  4. Step 4: Simplify right side
    2,087,211.60x = 3,560,918,416,061.04
  5. Step 5: Solve for x
    x = 3,560,918,416,061.04/2,087,211.60
  6. Step 6: Final answer
    x = 1,706,064.88

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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.