Home / 2,198,174.32-3,034,960.95-1,372,505.05

Finding the Fourth Proportional to 2,198,174.32, 3,034,960.95 and 1,372,505.05

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Solution

The fourth proportional to 2,198,174.32, 3,034,960.95 and 1,372,505.05 is: 1,894,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,174.32 : 3,034,960.95 = 1,372,505.05 : x
  2. Step 2: Convert to fraction form
    2,198,174.32/3,034,960.95 = 1,372,505.05/x
  3. Step 3: Cross multiply
    2,198,174.32x = 3,034,960.95 × 1,372,505.05
  4. Step 4: Simplify right side
    2,198,174.32x = 4,165,499,230,427.80
  5. Step 5: Solve for x
    x = 4,165,499,230,427.80/2,198,174.32
  6. Step 6: Final answer
    x = 1,894,981.30

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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.