Home / 2,558,744.12-3,531,084-1,397,198.46

Finding the Fourth Proportional to 2,558,744.12, 3,531,084 and 1,397,198.46

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Solution

The fourth proportional to 2,558,744.12, 3,531,084 and 1,397,198.46 is: 1,928,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,744.12 : 3,531,084 = 1,397,198.46 : x
  2. Step 2: Convert to fraction form
    2,558,744.12/3,531,084 = 1,397,198.46/x
  3. Step 3: Cross multiply
    2,558,744.12x = 3,531,084 × 1,397,198.46
  4. Step 4: Simplify right side
    2,558,744.12x = 4,933,625,126,930.64
  5. Step 5: Solve for x
    x = 4,933,625,126,930.64/2,558,744.12
  6. Step 6: Final answer
    x = 1,928,143.22

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1.5x scale

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.