Home / 2,760,288.60-4,140,432.90-867,221.40

Finding the Fourth Proportional to 2,760,288.60, 4,140,432.90 and 867,221.40

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Solution

The fourth proportional to 2,760,288.60, 4,140,432.90 and 867,221.40 is: 1,300,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,288.60 : 4,140,432.90 = 867,221.40 : x
  2. Step 2: Convert to fraction form
    2,760,288.60/4,140,432.90 = 867,221.40/x
  3. Step 3: Cross multiply
    2,760,288.60x = 4,140,432.90 × 867,221.40
  4. Step 4: Simplify right side
    2,760,288.60x = 3,590,672,016,144.06
  5. Step 5: Solve for x
    x = 3,590,672,016,144.06/2,760,288.60
  6. Step 6: Final answer
    x = 1,300,832.10

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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.