Home / 3,655,780.75-5,045,150.78-2,205,445.08

Finding the Fourth Proportional to 3,655,780.75, 5,045,150.78 and 2,205,445.08

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Solution

The fourth proportional to 3,655,780.75, 5,045,150.78 and 2,205,445.08 is: 3,043,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655,780.75 : 5,045,150.78 = 2,205,445.08 : x
  2. Step 2: Convert to fraction form
    3,655,780.75/5,045,150.78 = 2,205,445.08/x
  3. Step 3: Cross multiply
    3,655,780.75x = 5,045,150.78 × 2,205,445.08
  4. Step 4: Simplify right side
    3,655,780.75x = 11,126,802,965,609.16
  5. Step 5: Solve for x
    x = 11,126,802,965,609.16/3,655,780.75
  6. Step 6: Final answer
    x = 3,043,618.79

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Double scale
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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.