Home / 2,728,299.46-4,090,800.78-1,087,229.10

Finding the Fourth Proportional to 2,728,299.46, 4,090,800.78 and 1,087,229.10

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Solution

The fourth proportional to 2,728,299.46, 4,090,800.78 and 1,087,229.10 is: 1,630,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,299.46 : 4,090,800.78 = 1,087,229.10 : x
  2. Step 2: Convert to fraction form
    2,728,299.46/4,090,800.78 = 1,087,229.10/x
  3. Step 3: Cross multiply
    2,728,299.46x = 4,090,800.78 × 1,087,229.10
  4. Step 4: Simplify right side
    2,728,299.46x = 4,447,637,650,318.70
  5. Step 5: Solve for x
    x = 4,447,637,650,318.70/2,728,299.46
  6. Step 6: Final answer
    x = 1,630,186.76

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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.