Home / 2,815,990.13-4,223,772.79-896,823.79

Finding the Fourth Proportional to 2,815,990.13, 4,223,772.79 and 896,823.79

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Solution

The fourth proportional to 2,815,990.13, 4,223,772.79 and 896,823.79 is: 1,345,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,990.13 : 4,223,772.79 = 896,823.79 : x
  2. Step 2: Convert to fraction form
    2,815,990.13/4,223,772.79 = 896,823.79/x
  3. Step 3: Cross multiply
    2,815,990.13x = 4,223,772.79 × 896,823.79
  4. Step 4: Simplify right side
    2,815,990.13x = 3,787,979,921,626.67
  5. Step 5: Solve for x
    x = 3,787,979,921,626.67/2,815,990.13
  6. Step 6: Final answer
    x = 1,345,168.04

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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.