Home / 3,920,809.80-5,878,517.40-1,997,999.40

Finding the Fourth Proportional to 3,920,809.80, 5,878,517.40 and 1,997,999.40

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Solution

The fourth proportional to 3,920,809.80, 5,878,517.40 and 1,997,999.40 is: 2,995,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,809.80 : 5,878,517.40 = 1,997,999.40 : x
  2. Step 2: Convert to fraction form
    3,920,809.80/5,878,517.40 = 1,997,999.40/x
  3. Step 3: Cross multiply
    3,920,809.80x = 5,878,517.40 × 1,997,999.40
  4. Step 4: Simplify right side
    3,920,809.80x = 11,745,274,238,089.56
  5. Step 5: Solve for x
    x = 11,745,274,238,089.56/3,920,809.80
  6. Step 6: Final answer
    x = 2,995,624.59

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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.