Home / 3,642,512.10-5,027,324.70-2,172,515.04

Finding the Fourth Proportional to 3,642,512.10, 5,027,324.70 and 2,172,515.04

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Solution

The fourth proportional to 3,642,512.10, 5,027,324.70 and 2,172,515.04 is: 2,998,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,512.10 : 5,027,324.70 = 2,172,515.04 : x
  2. Step 2: Convert to fraction form
    3,642,512.10/5,027,324.70 = 2,172,515.04/x
  3. Step 3: Cross multiply
    3,642,512.10x = 5,027,324.70 × 2,172,515.04
  4. Step 4: Simplify right side
    3,642,512.10x = 10,921,938,521,713.49
  5. Step 5: Solve for x
    x = 10,921,938,521,713.49/3,642,512.10
  6. Step 6: Final answer
    x = 2,998,463.21

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1.5x scale

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.