Home / 3,280,983.40-4,921,475.10-2,079,008.20

Finding the Fourth Proportional to 3,280,983.40, 4,921,475.10 and 2,079,008.20

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Solution

The fourth proportional to 3,280,983.40, 4,921,475.10 and 2,079,008.20 is: 3,118,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,983.40 : 4,921,475.10 = 2,079,008.20 : x
  2. Step 2: Convert to fraction form
    3,280,983.40/4,921,475.10 = 2,079,008.20/x
  3. Step 3: Cross multiply
    3,280,983.40x = 4,921,475.10 × 2,079,008.20
  4. Step 4: Simplify right side
    3,280,983.40x = 10,231,787,088,995.82
  5. Step 5: Solve for x
    x = 10,231,787,088,995.82/3,280,983.40
  6. Step 6: Final answer
    x = 3,118,512.30

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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.