Home / 3,780,494.76-5,217,091.02-2,148,912.12

Finding the Fourth Proportional to 3,780,494.76, 5,217,091.02 and 2,148,912.12

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Solution

The fourth proportional to 3,780,494.76, 5,217,091.02 and 2,148,912.12 is: 2,965,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,494.76 : 5,217,091.02 = 2,148,912.12 : x
  2. Step 2: Convert to fraction form
    3,780,494.76/5,217,091.02 = 2,148,912.12/x
  3. Step 3: Cross multiply
    3,780,494.76x = 5,217,091.02 × 2,148,912.12
  4. Step 4: Simplify right side
    3,780,494.76x = 11,211,070,124,021.16
  5. Step 5: Solve for x
    x = 11,211,070,124,021.16/3,780,494.76
  6. Step 6: Final answer
    x = 2,965,503.42

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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.