Home / 3,012,149.40-4,518,195.30-737,683.80

Finding the Fourth Proportional to 3,012,149.40, 4,518,195.30 and 737,683.80

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Solution

The fourth proportional to 3,012,149.40, 4,518,195.30 and 737,683.80 is: 1,106,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,149.40 : 4,518,195.30 = 737,683.80 : x
  2. Step 2: Convert to fraction form
    3,012,149.40/4,518,195.30 = 737,683.80/x
  3. Step 3: Cross multiply
    3,012,149.40x = 4,518,195.30 × 737,683.80
  4. Step 4: Simplify right side
    3,012,149.40x = 3,332,999,478,046.14
  5. Step 5: Solve for x
    x = 3,332,999,478,046.14/3,012,149.40
  6. Step 6: Final answer
    x = 1,106,518.65

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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.