Home / 2,543,047.08-3,814,767.53-721,381.33

Finding the Fourth Proportional to 2,543,047.08, 3,814,767.53 and 721,381.33

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Solution

The fourth proportional to 2,543,047.08, 3,814,767.53 and 721,381.33 is: 1,082,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,047.08 : 3,814,767.53 = 721,381.33 : x
  2. Step 2: Convert to fraction form
    2,543,047.08/3,814,767.53 = 721,381.33/x
  3. Step 3: Cross multiply
    2,543,047.08x = 3,814,767.53 × 721,381.33
  4. Step 4: Simplify right side
    2,543,047.08x = 2,751,902,074,432.21
  5. Step 5: Solve for x
    x = 2,751,902,074,432.21/2,543,047.08
  6. Step 6: Final answer
    x = 1,082,127.85

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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.