Home / 2,380,679.30-3,283,438.10-1,565,719.78

Finding the Fourth Proportional to 2,380,679.30, 3,283,438.10 and 1,565,719.78

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Solution

The fourth proportional to 2,380,679.30, 3,283,438.10 and 1,565,719.78 is: 2,159,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,679.30 : 3,283,438.10 = 1,565,719.78 : x
  2. Step 2: Convert to fraction form
    2,380,679.30/3,283,438.10 = 1,565,719.78/x
  3. Step 3: Cross multiply
    2,380,679.30x = 3,283,438.10 × 1,565,719.78
  4. Step 4: Simplify right side
    2,380,679.30x = 5,140,943,979,575.62
  5. Step 5: Solve for x
    x = 5,140,943,979,575.62/2,380,679.30
  6. Step 6: Final answer
    x = 2,159,444.15

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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.