Home / 3,382,551.87-5,074,674.53-986,396.78

Finding the Fourth Proportional to 3,382,551.87, 5,074,674.53 and 986,396.78

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Solution

The fourth proportional to 3,382,551.87, 5,074,674.53 and 986,396.78 is: 1,479,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382,551.87 : 5,074,674.53 = 986,396.78 : x
  2. Step 2: Convert to fraction form
    3,382,551.87/5,074,674.53 = 986,396.78/x
  3. Step 3: Cross multiply
    3,382,551.87x = 5,074,674.53 × 986,396.78
  4. Step 4: Simplify right side
    3,382,551.87x = 5,005,642,585,634.66
  5. Step 5: Solve for x
    x = 5,005,642,585,634.66/3,382,551.87
  6. Step 6: Final answer
    x = 1,479,842.08

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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.