Home / 3,874,779.15-5,809,019.45-1,352,205.87

Finding the Fourth Proportional to 3,874,779.15, 5,809,019.45 and 1,352,205.87

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Solution

The fourth proportional to 3,874,779.15, 5,809,019.45 and 1,352,205.87 is: 2,027,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,779.15 : 5,809,019.45 = 1,352,205.87 : x
  2. Step 2: Convert to fraction form
    3,874,779.15/5,809,019.45 = 1,352,205.87/x
  3. Step 3: Cross multiply
    3,874,779.15x = 5,809,019.45 × 1,352,205.87
  4. Step 4: Simplify right side
    3,874,779.15x = 7,854,990,192,473.14
  5. Step 5: Solve for x
    x = 7,854,990,192,473.14/3,874,779.15
  6. Step 6: Final answer
    x = 2,027,209.78

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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.