Home / 3,517,814.60-5,276,721.90-1,121,640.20

Finding the Fourth Proportional to 3,517,814.60, 5,276,721.90 and 1,121,640.20

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Solution

The fourth proportional to 3,517,814.60, 5,276,721.90 and 1,121,640.20 is: 1,682,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517,814.60 : 5,276,721.90 = 1,121,640.20 : x
  2. Step 2: Convert to fraction form
    3,517,814.60/5,276,721.90 = 1,121,640.20/x
  3. Step 3: Cross multiply
    3,517,814.60x = 5,276,721.90 × 1,121,640.20
  4. Step 4: Simplify right side
    3,517,814.60x = 5,918,583,407,260.38
  5. Step 5: Solve for x
    x = 5,918,583,407,260.38/3,517,814.60
  6. Step 6: Final answer
    x = 1,682,460.30

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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.