Home / 2,687,817.10-4,033,280.85-1,005,090.70

Finding the Fourth Proportional to 2,687,817.10, 4,033,280.85 and 1,005,090.70

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Solution

The fourth proportional to 2,687,817.10, 4,033,280.85 and 1,005,090.70 is: 1,508,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,817.10 : 4,033,280.85 = 1,005,090.70 : x
  2. Step 2: Convert to fraction form
    2,687,817.10/4,033,280.85 = 1,005,090.70/x
  3. Step 3: Cross multiply
    2,687,817.10x = 4,033,280.85 × 1,005,090.70
  4. Step 4: Simplify right side
    2,687,817.10x = 4,053,813,072,823.10
  5. Step 5: Solve for x
    x = 4,053,813,072,823.10/2,687,817.10
  6. Step 6: Final answer
    x = 1,508,217.61

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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.