Home / 5,328,077.60-7,992,116.40-2,777,160.80

Finding the Fourth Proportional to 5,328,077.60, 7,992,116.40 and 2,777,160.80

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Solution

The fourth proportional to 5,328,077.60, 7,992,116.40 and 2,777,160.80 is: 4,165,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,077.60 : 7,992,116.40 = 2,777,160.80 : x
  2. Step 2: Convert to fraction form
    5,328,077.60/7,992,116.40 = 2,777,160.80/x
  3. Step 3: Cross multiply
    5,328,077.60x = 7,992,116.40 × 2,777,160.80
  4. Step 4: Simplify right side
    5,328,077.60x = 22,195,392,375,117.12
  5. Step 5: Solve for x
    x = 22,195,392,375,117.12/5,328,077.60
  6. Step 6: Final answer
    x = 4,165,741.20

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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.