Home / 2,894,641.76-3,993,966-1,670,687.20

Finding the Fourth Proportional to 2,894,641.76, 3,993,966 and 1,670,687.20

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Solution

The fourth proportional to 2,894,641.76, 3,993,966 and 1,670,687.20 is: 2,305,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,641.76 : 3,993,966 = 1,670,687.20 : x
  2. Step 2: Convert to fraction form
    2,894,641.76/3,993,966 = 1,670,687.20/x
  3. Step 3: Cross multiply
    2,894,641.76x = 3,993,966 × 1,670,687.20
  4. Step 4: Simplify right side
    2,894,641.76x = 6,672,667,873,435.20
  5. Step 5: Solve for x
    x = 6,672,667,873,435.20/2,894,641.76
  6. Step 6: Final answer
    x = 2,305,179.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.