Home / 1,663,379.40-2,491,569.90-1,383,443.40

Finding the Fourth Proportional to 1,663,379.40, 2,491,569.90 and 1,383,443.40

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Solution

The fourth proportional to 1,663,379.40, 2,491,569.90 and 1,383,443.40 is: 2,072,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,379.40 : 2,491,569.90 = 1,383,443.40 : x
  2. Step 2: Convert to fraction form
    1,663,379.40/2,491,569.90 = 1,383,443.40/x
  3. Step 3: Cross multiply
    1,663,379.40x = 2,491,569.90 × 1,383,443.40
  4. Step 4: Simplify right side
    1,663,379.40x = 3,446,945,933,793.66
  5. Step 5: Solve for x
    x = 3,446,945,933,793.66/1,663,379.40
  6. Step 6: Final answer
    x = 2,072,254.79

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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.