Home / 3,121,204.20-4,681,806.30-2,412,616.20

Finding the Fourth Proportional to 3,121,204.20, 4,681,806.30 and 2,412,616.20

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Solution

The fourth proportional to 3,121,204.20, 4,681,806.30 and 2,412,616.20 is: 3,618,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,204.20 : 4,681,806.30 = 2,412,616.20 : x
  2. Step 2: Convert to fraction form
    3,121,204.20/4,681,806.30 = 2,412,616.20/x
  3. Step 3: Cross multiply
    3,121,204.20x = 4,681,806.30 × 2,412,616.20
  4. Step 4: Simplify right side
    3,121,204.20x = 11,295,401,724,642.06
  5. Step 5: Solve for x
    x = 11,295,401,724,642.06/3,121,204.20
  6. Step 6: Final answer
    x = 3,618,924.30

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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.