Home / 2,786,149.28-3,846,521.04-2,140,300.64

Finding the Fourth Proportional to 2,786,149.28, 3,846,521.04 and 2,140,300.64

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Solution

The fourth proportional to 2,786,149.28, 3,846,521.04 and 2,140,300.64 is: 2,954,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,149.28 : 3,846,521.04 = 2,140,300.64 : x
  2. Step 2: Convert to fraction form
    2,786,149.28/3,846,521.04 = 2,140,300.64/x
  3. Step 3: Cross multiply
    2,786,149.28x = 3,846,521.04 × 2,140,300.64
  4. Step 4: Simplify right side
    2,786,149.28x = 8,232,711,443,685.47
  5. Step 5: Solve for x
    x = 8,232,711,443,685.47/2,786,149.28
  6. Step 6: Final answer
    x = 2,954,870.90

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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.