Home / 3,868,151.40-5,802,227.10-989,512.65

Finding the Fourth Proportional to 3,868,151.40, 5,802,227.10 and 989,512.65

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Solution

The fourth proportional to 3,868,151.40, 5,802,227.10 and 989,512.65 is: 1,484,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,151.40 : 5,802,227.10 = 989,512.65 : x
  2. Step 2: Convert to fraction form
    3,868,151.40/5,802,227.10 = 989,512.65/x
  3. Step 3: Cross multiply
    3,868,151.40x = 5,802,227.10 × 989,512.65
  4. Step 4: Simplify right side
    3,868,151.40x = 5,741,377,113,622.82
  5. Step 5: Solve for x
    x = 5,741,377,113,622.82/3,868,151.40
  6. Step 6: Final answer
    x = 1,484,268.98

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Double scale
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Similar ratio
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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.