Home / 2,657,340-3,985,972.56-1,236,601.44

Finding the Fourth Proportional to 2,657,340, 3,985,972.56 and 1,236,601.44

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Solution

The fourth proportional to 2,657,340, 3,985,972.56 and 1,236,601.44 is: 1,854,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,340 : 3,985,972.56 = 1,236,601.44 : x
  2. Step 2: Convert to fraction form
    2,657,340/3,985,972.56 = 1,236,601.44/x
  3. Step 3: Cross multiply
    2,657,340x = 3,985,972.56 × 1,236,601.44
  4. Step 4: Simplify right side
    2,657,340x = 4,929,059,407,496.49
  5. Step 5: Solve for x
    x = 4,929,059,407,496.49/2,657,340
  6. Step 6: Final answer
    x = 1,854,884.74

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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.