Home / 1,971,379.20-2,951,539.20-1,916,083.20

Finding the Fourth Proportional to 1,971,379.20, 2,951,539.20 and 1,916,083.20

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Solution

The fourth proportional to 1,971,379.20, 2,951,539.20 and 1,916,083.20 is: 2,868,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,379.20 : 2,951,539.20 = 1,916,083.20 : x
  2. Step 2: Convert to fraction form
    1,971,379.20/2,951,539.20 = 1,916,083.20/x
  3. Step 3: Cross multiply
    1,971,379.20x = 2,951,539.20 × 1,916,083.20
  4. Step 4: Simplify right side
    1,971,379.20x = 5,655,394,675,261.44
  5. Step 5: Solve for x
    x = 5,655,394,675,261.44/1,971,379.20
  6. Step 6: Final answer
    x = 2,868,750.30

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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.