Home / 5,418,188.40-8,127,725.26-2,721,126.54

Finding the Fourth Proportional to 5,418,188.40, 8,127,725.26 and 2,721,126.54

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Solution

The fourth proportional to 5,418,188.40, 8,127,725.26 and 2,721,126.54 is: 4,081,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,188.40 : 8,127,725.26 = 2,721,126.54 : x
  2. Step 2: Convert to fraction form
    5,418,188.40/8,127,725.26 = 2,721,126.54/x
  3. Step 3: Cross multiply
    5,418,188.40x = 8,127,725.26 × 2,721,126.54
  4. Step 4: Simplify right side
    5,418,188.40x = 22,116,568,914,814.40
  5. Step 5: Solve for x
    x = 22,116,568,914,814.40/5,418,188.40
  6. Step 6: Final answer
    x = 4,081,912.12

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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.