Home / 2,739,439.18-3,780,537.42-1,515,724.78

Finding the Fourth Proportional to 2,739,439.18, 3,780,537.42 and 1,515,724.78

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Solution

The fourth proportional to 2,739,439.18, 3,780,537.42 and 1,515,724.78 is: 2,091,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,439.18 : 3,780,537.42 = 1,515,724.78 : x
  2. Step 2: Convert to fraction form
    2,739,439.18/3,780,537.42 = 1,515,724.78/x
  3. Step 3: Cross multiply
    2,739,439.18x = 3,780,537.42 × 1,515,724.78
  4. Step 4: Simplify right side
    2,739,439.18x = 5,730,254,249,211.27
  5. Step 5: Solve for x
    x = 5,730,254,249,211.27/2,739,439.18
  6. Step 6: Final answer
    x = 2,091,761.81

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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.