Home / 3,111,996.80-4,667,995.20-748,092.80

Finding the Fourth Proportional to 3,111,996.80, 4,667,995.20 and 748,092.80

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Solution

The fourth proportional to 3,111,996.80, 4,667,995.20 and 748,092.80 is: 1,122,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,996.80 : 4,667,995.20 = 748,092.80 : x
  2. Step 2: Convert to fraction form
    3,111,996.80/4,667,995.20 = 748,092.80/x
  3. Step 3: Cross multiply
    3,111,996.80x = 4,667,995.20 × 748,092.80
  4. Step 4: Simplify right side
    3,111,996.80x = 3,492,093,599,554.56
  5. Step 5: Solve for x
    x = 3,492,093,599,554.56/3,111,996.80
  6. Step 6: Final answer
    x = 1,122,139.20

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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.