Home / 2,752,081.40-4,128,778.20-1,330,968.80

Finding the Fourth Proportional to 2,752,081.40, 4,128,778.20 and 1,330,968.80

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Solution

The fourth proportional to 2,752,081.40, 4,128,778.20 and 1,330,968.80 is: 1,996,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,081.40 : 4,128,778.20 = 1,330,968.80 : x
  2. Step 2: Convert to fraction form
    2,752,081.40/4,128,778.20 = 1,330,968.80/x
  3. Step 3: Cross multiply
    2,752,081.40x = 4,128,778.20 × 1,330,968.80
  4. Step 4: Simplify right side
    2,752,081.40x = 5,495,274,966,320.16
  5. Step 5: Solve for x
    x = 5,495,274,966,320.16/2,752,081.40
  6. Step 6: Final answer
    x = 1,996,770.50

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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.