Home / 2,740,246.80-4,110,370.20-847,179.60

Finding the Fourth Proportional to 2,740,246.80, 4,110,370.20 and 847,179.60

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Solution

The fourth proportional to 2,740,246.80, 4,110,370.20 and 847,179.60 is: 1,270,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,246.80 : 4,110,370.20 = 847,179.60 : x
  2. Step 2: Convert to fraction form
    2,740,246.80/4,110,370.20 = 847,179.60/x
  3. Step 3: Cross multiply
    2,740,246.80x = 4,110,370.20 × 847,179.60
  4. Step 4: Simplify right side
    2,740,246.80x = 3,482,221,781,887.92
  5. Step 5: Solve for x
    x = 3,482,221,781,887.92/2,740,246.80
  6. Step 6: Final answer
    x = 1,270,769.40

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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.