Home / 3,081,487.19-4,252,542.42-1,686,132.59

Finding the Fourth Proportional to 3,081,487.19, 4,252,542.42 and 1,686,132.59

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Solution

The fourth proportional to 3,081,487.19, 4,252,542.42 and 1,686,132.59 is: 2,326,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,487.19 : 4,252,542.42 = 1,686,132.59 : x
  2. Step 2: Convert to fraction form
    3,081,487.19/4,252,542.42 = 1,686,132.59/x
  3. Step 3: Cross multiply
    3,081,487.19x = 4,252,542.42 × 1,686,132.59
  4. Step 4: Simplify right side
    3,081,487.19x = 7,170,350,343,456.76
  5. Step 5: Solve for x
    x = 7,170,350,343,456.76/3,081,487.19
  6. Step 6: Final answer
    x = 2,326,912.27

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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.