Home / 2,078,403.30-3,117,167.55-880,364.70

Finding the Fourth Proportional to 2,078,403.30, 3,117,167.55 and 880,364.70

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Solution

The fourth proportional to 2,078,403.30, 3,117,167.55 and 880,364.70 is: 1,320,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,403.30 : 3,117,167.55 = 880,364.70 : x
  2. Step 2: Convert to fraction form
    2,078,403.30/3,117,167.55 = 880,364.70/x
  3. Step 3: Cross multiply
    2,078,403.30x = 3,117,167.55 × 880,364.70
  4. Step 4: Simplify right side
    2,078,403.30x = 2,744,244,275,005.49
  5. Step 5: Solve for x
    x = 2,744,244,275,005.49/2,078,403.30
  6. Step 6: Final answer
    x = 1,320,361.78

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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.