Home / 1,581,234.48-2,182,105.08-856,082.70

Finding the Fourth Proportional to 1,581,234.48, 2,182,105.08 and 856,082.70

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Solution

The fourth proportional to 1,581,234.48, 2,182,105.08 and 856,082.70 is: 1,181,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,234.48 : 2,182,105.08 = 856,082.70 : x
  2. Step 2: Convert to fraction form
    1,581,234.48/2,182,105.08 = 856,082.70/x
  3. Step 3: Cross multiply
    1,581,234.48x = 2,182,105.08 × 856,082.70
  4. Step 4: Simplify right side
    1,581,234.48x = 1,868,062,408,570.12
  5. Step 5: Solve for x
    x = 1,868,062,408,570.12/1,581,234.48
  6. Step 6: Final answer
    x = 1,181,394.94

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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.