Home / 2,649,631.40-3,974,447.10-966,516.20

Finding the Fourth Proportional to 2,649,631.40, 3,974,447.10 and 966,516.20

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Solution

The fourth proportional to 2,649,631.40, 3,974,447.10 and 966,516.20 is: 1,449,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,631.40 : 3,974,447.10 = 966,516.20 : x
  2. Step 2: Convert to fraction form
    2,649,631.40/3,974,447.10 = 966,516.20/x
  3. Step 3: Cross multiply
    2,649,631.40x = 3,974,447.10 × 966,516.20
  4. Step 4: Simplify right side
    2,649,631.40x = 3,841,367,508,193.02
  5. Step 5: Solve for x
    x = 3,841,367,508,193.02/2,649,631.40
  6. Step 6: Final answer
    x = 1,449,774.30

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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.