Home / 3,465,149.53-5,198,080.79-1,307,991.65

Finding the Fourth Proportional to 3,465,149.53, 5,198,080.79 and 1,307,991.65

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Solution

The fourth proportional to 3,465,149.53, 5,198,080.79 and 1,307,991.65 is: 1,962,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465,149.53 : 5,198,080.79 = 1,307,991.65 : x
  2. Step 2: Convert to fraction form
    3,465,149.53/5,198,080.79 = 1,307,991.65/x
  3. Step 3: Cross multiply
    3,465,149.53x = 5,198,080.79 × 1,307,991.65
  4. Step 4: Simplify right side
    3,465,149.53x = 6,799,046,269,345.40
  5. Step 5: Solve for x
    x = 6,799,046,269,345.40/3,465,149.53
  6. Step 6: Final answer
    x = 1,962,122.04

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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.