Home / 2,789,387.15-4,182,454.98-1,081,535.25

Finding the Fourth Proportional to 2,789,387.15, 4,182,454.98 and 1,081,535.25

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Solution

The fourth proportional to 2,789,387.15, 4,182,454.98 and 1,081,535.25 is: 1,621,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,387.15 : 4,182,454.98 = 1,081,535.25 : x
  2. Step 2: Convert to fraction form
    2,789,387.15/4,182,454.98 = 1,081,535.25/x
  3. Step 3: Cross multiply
    2,789,387.15x = 4,182,454.98 × 1,081,535.25
  4. Step 4: Simplify right side
    2,789,387.15x = 4,523,472,492,408.05
  5. Step 5: Solve for x
    x = 4,523,472,492,408.05/2,789,387.15
  6. Step 6: Final answer
    x = 1,621,672.52

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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.