Home / 3,012,146.40-4,518,190.80-737,680.80

Finding the Fourth Proportional to 3,012,146.40, 4,518,190.80 and 737,680.80

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Solution

The fourth proportional to 3,012,146.40, 4,518,190.80 and 737,680.80 is: 1,106,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,146.40 : 4,518,190.80 = 737,680.80 : x
  2. Step 2: Convert to fraction form
    3,012,146.40/4,518,190.80 = 737,680.80/x
  3. Step 3: Cross multiply
    3,012,146.40x = 4,518,190.80 × 737,680.80
  4. Step 4: Simplify right side
    3,012,146.40x = 3,332,982,603,896.64
  5. Step 5: Solve for x
    x = 3,332,982,603,896.64/3,012,146.40
  6. Step 6: Final answer
    x = 1,106,514.15

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Double scale
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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.