Home / 1,581,082.47-2,181,894.53-855,930.17

Finding the Fourth Proportional to 1,581,082.47, 2,181,894.53 and 855,930.17

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Solution

The fourth proportional to 1,581,082.47, 2,181,894.53 and 855,930.17 is: 1,181,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,082.47 : 2,181,894.53 = 855,930.17 : x
  2. Step 2: Convert to fraction form
    1,581,082.47/2,181,894.53 = 855,930.17/x
  3. Step 3: Cross multiply
    1,581,082.47x = 2,181,894.53 × 855,930.17
  4. Step 4: Simplify right side
    1,581,082.47x = 1,867,549,357,160.06
  5. Step 5: Solve for x
    x = 1,867,549,357,160.06/1,581,082.47
  6. Step 6: Final answer
    x = 1,181,184.03

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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.