Home / 2,649,621.40-3,974,432.10-966,506.20

Finding the Fourth Proportional to 2,649,621.40, 3,974,432.10 and 966,506.20

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Solution

The fourth proportional to 2,649,621.40, 3,974,432.10 and 966,506.20 is: 1,449,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,621.40 : 3,974,432.10 = 966,506.20 : x
  2. Step 2: Convert to fraction form
    2,649,621.40/3,974,432.10 = 966,506.20/x
  3. Step 3: Cross multiply
    2,649,621.40x = 3,974,432.10 × 966,506.20
  4. Step 4: Simplify right side
    2,649,621.40x = 3,841,313,266,129.02
  5. Step 5: Solve for x
    x = 3,841,313,266,129.02/2,649,621.40
  6. Step 6: Final answer
    x = 1,449,759.30

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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.