Home / 2,086,123.11-3,128,678.92-569,813.14

Finding the Fourth Proportional to 2,086,123.11, 3,128,678.92 and 569,813.14

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Solution

The fourth proportional to 2,086,123.11, 3,128,678.92 and 569,813.14 is: 854,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,123.11 : 3,128,678.92 = 569,813.14 : x
  2. Step 2: Convert to fraction form
    2,086,123.11/3,128,678.92 = 569,813.14/x
  3. Step 3: Cross multiply
    2,086,123.11x = 3,128,678.92 × 569,813.14
  4. Step 4: Simplify right side
    2,086,123.11x = 1,782,762,350,210.78
  5. Step 5: Solve for x
    x = 1,782,762,350,210.78/2,086,123.11
  6. Step 6: Final answer
    x = 854,581.56

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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.