Home / 2,777,421.92-4,165,271.38-979,885.04

Finding the Fourth Proportional to 2,777,421.92, 4,165,271.38 and 979,885.04

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Solution

The fourth proportional to 2,777,421.92, 4,165,271.38 and 979,885.04 is: 1,469,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,421.92 : 4,165,271.38 = 979,885.04 : x
  2. Step 2: Convert to fraction form
    2,777,421.92/4,165,271.38 = 979,885.04/x
  3. Step 3: Cross multiply
    2,777,421.92x = 4,165,271.38 × 979,885.04
  4. Step 4: Simplify right side
    2,777,421.92x = 4,081,487,111,118.45
  5. Step 5: Solve for x
    x = 4,081,487,111,118.45/2,777,421.92
  6. Step 6: Final answer
    x = 1,469,523.62

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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.