Home / 2,215,000.40-3,321,516.45-866,714.90

Finding the Fourth Proportional to 2,215,000.40, 3,321,516.45 and 866,714.90

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Solution

The fourth proportional to 2,215,000.40, 3,321,516.45 and 866,714.90 is: 1,299,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,000.40 : 3,321,516.45 = 866,714.90 : x
  2. Step 2: Convert to fraction form
    2,215,000.40/3,321,516.45 = 866,714.90/x
  3. Step 3: Cross multiply
    2,215,000.40x = 3,321,516.45 × 866,714.90
  4. Step 4: Simplify right side
    2,215,000.40x = 2,878,807,797,810.11
  5. Step 5: Solve for x
    x = 2,878,807,797,810.11/2,215,000.40
  6. Step 6: Final answer
    x = 1,299,687.26

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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.