Home / 1,876,591.62-2,589,633.45-1,112,191.38

Finding the Fourth Proportional to 1,876,591.62, 2,589,633.45 and 1,112,191.38

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Solution

The fourth proportional to 1,876,591.62, 2,589,633.45 and 1,112,191.38 is: 1,534,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,591.62 : 2,589,633.45 = 1,112,191.38 : x
  2. Step 2: Convert to fraction form
    1,876,591.62/2,589,633.45 = 1,112,191.38/x
  3. Step 3: Cross multiply
    1,876,591.62x = 2,589,633.45 × 1,112,191.38
  4. Step 4: Simplify right side
    1,876,591.62x = 2,880,168,000,449.66
  5. Step 5: Solve for x
    x = 2,880,168,000,449.66/1,876,591.62
  6. Step 6: Final answer
    x = 1,534,786.77

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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.