Home / 3,380,781.24-5,071,040.64-1,358,418.60

Finding the Fourth Proportional to 3,380,781.24, 5,071,040.64 and 1,358,418.60

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Solution

The fourth proportional to 3,380,781.24, 5,071,040.64 and 1,358,418.60 is: 2,037,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,781.24 : 5,071,040.64 = 1,358,418.60 : x
  2. Step 2: Convert to fraction form
    3,380,781.24/5,071,040.64 = 1,358,418.60/x
  3. Step 3: Cross multiply
    3,380,781.24x = 5,071,040.64 × 1,358,418.60
  4. Step 4: Simplify right side
    3,380,781.24x = 6,888,595,926,731.90
  5. Step 5: Solve for x
    x = 6,888,595,926,731.90/3,380,781.24
  6. Step 6: Final answer
    x = 2,037,575.18

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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.