Home / 2,589,421.80-3,884,132.70-1,172,245.80

Finding the Fourth Proportional to 2,589,421.80, 3,884,132.70 and 1,172,245.80

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Solution

The fourth proportional to 2,589,421.80, 3,884,132.70 and 1,172,245.80 is: 1,758,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,421.80 : 3,884,132.70 = 1,172,245.80 : x
  2. Step 2: Convert to fraction form
    2,589,421.80/3,884,132.70 = 1,172,245.80/x
  3. Step 3: Cross multiply
    2,589,421.80x = 3,884,132.70 × 1,172,245.80
  4. Step 4: Simplify right side
    2,589,421.80x = 4,553,158,244,217.66
  5. Step 5: Solve for x
    x = 4,553,158,244,217.66/2,589,421.80
  6. Step 6: Final answer
    x = 1,758,368.70

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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.