Home / 2,760,339.20-4,140,508.80-867,077.60

Finding the Fourth Proportional to 2,760,339.20, 4,140,508.80 and 867,077.60

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Solution

The fourth proportional to 2,760,339.20, 4,140,508.80 and 867,077.60 is: 1,300,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,339.20 : 4,140,508.80 = 867,077.60 : x
  2. Step 2: Convert to fraction form
    2,760,339.20/4,140,508.80 = 867,077.60/x
  3. Step 3: Cross multiply
    2,760,339.20x = 4,140,508.80 × 867,077.60
  4. Step 4: Simplify right side
    2,760,339.20x = 3,590,142,433,082.88
  5. Step 5: Solve for x
    x = 3,590,142,433,082.88/2,760,339.20
  6. Step 6: Final answer
    x = 1,300,616.40

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Similar ratio
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1.5x scale

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.