Home / 1,663,378.90-2,491,569.15-1,383,442.90

Finding the Fourth Proportional to 1,663,378.90, 2,491,569.15 and 1,383,442.90

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Solution

The fourth proportional to 1,663,378.90, 2,491,569.15 and 1,383,442.90 is: 2,072,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,378.90 : 2,491,569.15 = 1,383,442.90 : x
  2. Step 2: Convert to fraction form
    1,663,378.90/2,491,569.15 = 1,383,442.90/x
  3. Step 3: Cross multiply
    1,663,378.90x = 2,491,569.15 × 1,383,442.90
  4. Step 4: Simplify right side
    1,663,378.90x = 3,446,943,650,426.53
  5. Step 5: Solve for x
    x = 3,446,943,650,426.53/1,663,378.90
  6. Step 6: Final answer
    x = 2,072,254.04

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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.