Home / 3,850,393.40-5,775,590.10-2,655,999.80

Finding the Fourth Proportional to 3,850,393.40, 5,775,590.10 and 2,655,999.80

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Solution

The fourth proportional to 3,850,393.40, 5,775,590.10 and 2,655,999.80 is: 3,983,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,393.40 : 5,775,590.10 = 2,655,999.80 : x
  2. Step 2: Convert to fraction form
    3,850,393.40/5,775,590.10 = 2,655,999.80/x
  3. Step 3: Cross multiply
    3,850,393.40x = 5,775,590.10 × 2,655,999.80
  4. Step 4: Simplify right side
    3,850,393.40x = 15,339,966,150,481.98
  5. Step 5: Solve for x
    x = 15,339,966,150,481.98/3,850,393.40
  6. Step 6: Final answer
    x = 3,983,999.70

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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.