Home / 2,266,909.20-3,127,543.38-1,286,731.44

Finding the Fourth Proportional to 2,266,909.20, 3,127,543.38 and 1,286,731.44

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Solution

The fourth proportional to 2,266,909.20, 3,127,543.38 and 1,286,731.44 is: 1,775,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,909.20 : 3,127,543.38 = 1,286,731.44 : x
  2. Step 2: Convert to fraction form
    2,266,909.20/3,127,543.38 = 1,286,731.44/x
  3. Step 3: Cross multiply
    2,266,909.20x = 3,127,543.38 × 1,286,731.44
  4. Step 4: Simplify right side
    2,266,909.20x = 4,024,308,397,009.87
  5. Step 5: Solve for x
    x = 4,024,308,397,009.87/2,266,909.20
  6. Step 6: Final answer
    x = 1,775,240.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.