Home / 3,891,845.76-5,837,768.64-1,159,434.69

Finding the Fourth Proportional to 3,891,845.76, 5,837,768.64 and 1,159,434.69

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Solution

The fourth proportional to 3,891,845.76, 5,837,768.64 and 1,159,434.69 is: 1,739,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,845.76 : 5,837,768.64 = 1,159,434.69 : x
  2. Step 2: Convert to fraction form
    3,891,845.76/5,837,768.64 = 1,159,434.69/x
  3. Step 3: Cross multiply
    3,891,845.76x = 5,837,768.64 × 1,159,434.69
  4. Step 4: Simplify right side
    3,891,845.76x = 6,768,511,473,410.12
  5. Step 5: Solve for x
    x = 6,768,511,473,410.12/3,891,845.76
  6. Step 6: Final answer
    x = 1,739,152.04

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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.