Home / 2,977,705.20-4,109,031-1,619,549.04

Finding the Fourth Proportional to 2,977,705.20, 4,109,031 and 1,619,549.04

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Solution

The fourth proportional to 2,977,705.20, 4,109,031 and 1,619,549.04 is: 2,234,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,705.20 : 4,109,031 = 1,619,549.04 : x
  2. Step 2: Convert to fraction form
    2,977,705.20/4,109,031 = 1,619,549.04/x
  3. Step 3: Cross multiply
    2,977,705.20x = 4,109,031 × 1,619,549.04
  4. Step 4: Simplify right side
    2,977,705.20x = 6,654,777,211,380.24
  5. Step 5: Solve for x
    x = 6,654,777,211,380.24/2,977,705.20
  6. Step 6: Final answer
    x = 2,234,867.71

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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.