Home / 2,380,999.12-3,284,852.72-1,348,269.78

Finding the Fourth Proportional to 2,380,999.12, 3,284,852.72 and 1,348,269.78

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Solution

The fourth proportional to 2,380,999.12, 3,284,852.72 and 1,348,269.78 is: 1,860,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,999.12 : 3,284,852.72 = 1,348,269.78 : x
  2. Step 2: Convert to fraction form
    2,380,999.12/3,284,852.72 = 1,348,269.78/x
  3. Step 3: Cross multiply
    2,380,999.12x = 3,284,852.72 × 1,348,269.78
  4. Step 4: Simplify right side
    2,380,999.12x = 4,428,867,654,126.80
  5. Step 5: Solve for x
    x = 4,428,867,654,126.80/2,380,999.12
  6. Step 6: Final answer
    x = 1,860,087.90

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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.