Home / 2,754,171.45-4,131,257.18-1,478,713.05

Finding the Fourth Proportional to 2,754,171.45, 4,131,257.18 and 1,478,713.05

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Solution

The fourth proportional to 2,754,171.45, 4,131,257.18 and 1,478,713.05 is: 2,218,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,171.45 : 4,131,257.18 = 1,478,713.05 : x
  2. Step 2: Convert to fraction form
    2,754,171.45/4,131,257.18 = 1,478,713.05/x
  3. Step 3: Cross multiply
    2,754,171.45x = 4,131,257.18 × 1,478,713.05
  4. Step 4: Simplify right side
    2,754,171.45x = 6,108,943,897,578.63
  5. Step 5: Solve for x
    x = 6,108,943,897,578.63/2,754,171.45
  6. Step 6: Final answer
    x = 2,218,069.58

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Double scale
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Similar ratio
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1.5x scale

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.