Home / 2,890,285.16-3,988,470.18-1,601,179.88

Finding the Fourth Proportional to 2,890,285.16, 3,988,470.18 and 1,601,179.88

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Solution

The fourth proportional to 2,890,285.16, 3,988,470.18 and 1,601,179.88 is: 2,209,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,285.16 : 3,988,470.18 = 1,601,179.88 : x
  2. Step 2: Convert to fraction form
    2,890,285.16/3,988,470.18 = 1,601,179.88/x
  3. Step 3: Cross multiply
    2,890,285.16x = 3,988,470.18 × 1,601,179.88
  4. Step 4: Simplify right side
    2,890,285.16x = 6,386,258,204,195.98
  5. Step 5: Solve for x
    x = 6,386,258,204,195.98/2,890,285.16
  6. Step 6: Final answer
    x = 2,209,559.91

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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.