Home / 2,665,422.78-3,996,932.13-1,317,059.70

Finding the Fourth Proportional to 2,665,422.78, 3,996,932.13 and 1,317,059.70

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Solution

The fourth proportional to 2,665,422.78, 3,996,932.13 and 1,317,059.70 is: 1,974,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,422.78 : 3,996,932.13 = 1,317,059.70 : x
  2. Step 2: Convert to fraction form
    2,665,422.78/3,996,932.13 = 1,317,059.70/x
  3. Step 3: Cross multiply
    2,665,422.78x = 3,996,932.13 × 1,317,059.70
  4. Step 4: Simplify right side
    2,665,422.78x = 5,264,198,232,058.16
  5. Step 5: Solve for x
    x = 5,264,198,232,058.16/2,665,422.78
  6. Step 6: Final answer
    x = 1,974,995.59

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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.