Home / 2,739,442.53-3,780,542.10-1,515,728.15

Finding the Fourth Proportional to 2,739,442.53, 3,780,542.10 and 1,515,728.15

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Solution

The fourth proportional to 2,739,442.53, 3,780,542.10 and 1,515,728.15 is: 2,091,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,442.53 : 3,780,542.10 = 1,515,728.15 : x
  2. Step 2: Convert to fraction form
    2,739,442.53/3,780,542.10 = 1,515,728.15/x
  3. Step 3: Cross multiply
    2,739,442.53x = 3,780,542.10 × 1,515,728.15
  4. Step 4: Simplify right side
    2,739,442.53x = 5,730,274,064,327.40
  5. Step 5: Solve for x
    x = 5,730,274,064,327.40/2,739,442.53
  6. Step 6: Final answer
    x = 2,091,766.48

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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.