Home / 3,805,816.32-5,251,770-2,086,900.20

Finding the Fourth Proportional to 3,805,816.32, 5,251,770 and 2,086,900.20

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Solution

The fourth proportional to 3,805,816.32, 5,251,770 and 2,086,900.20 is: 2,879,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805,816.32 : 5,251,770 = 2,086,900.20 : x
  2. Step 2: Convert to fraction form
    3,805,816.32/5,251,770 = 2,086,900.20/x
  3. Step 3: Cross multiply
    3,805,816.32x = 5,251,770 × 2,086,900.20
  4. Step 4: Simplify right side
    3,805,816.32x = 10,959,919,863,354
  5. Step 5: Solve for x
    x = 10,959,919,863,354/3,805,816.32
  6. Step 6: Final answer
    x = 2,879,781.61

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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.