Home / 2,854,980.38-4,283,591.42-1,256,422.12

Finding the Fourth Proportional to 2,854,980.38, 4,283,591.42 and 1,256,422.12

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Solution

The fourth proportional to 2,854,980.38, 4,283,591.42 and 1,256,422.12 is: 1,885,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854,980.38 : 4,283,591.42 = 1,256,422.12 : x
  2. Step 2: Convert to fraction form
    2,854,980.38/4,283,591.42 = 1,256,422.12/x
  3. Step 3: Cross multiply
    2,854,980.38x = 4,283,591.42 × 1,256,422.12
  4. Step 4: Simplify right side
    2,854,980.38x = 5,381,999,006,848.10
  5. Step 5: Solve for x
    x = 5,381,999,006,848.10/2,854,980.38
  6. Step 6: Final answer
    x = 1,885,126.45

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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.