Home / 2,752,093.40-4,128,796.20-1,330,980.80

Finding the Fourth Proportional to 2,752,093.40, 4,128,796.20 and 1,330,980.80

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Solution

The fourth proportional to 2,752,093.40, 4,128,796.20 and 1,330,980.80 is: 1,996,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,093.40 : 4,128,796.20 = 1,330,980.80 : x
  2. Step 2: Convert to fraction form
    2,752,093.40/4,128,796.20 = 1,330,980.80/x
  3. Step 3: Cross multiply
    2,752,093.40x = 4,128,796.20 × 1,330,980.80
  4. Step 4: Simplify right side
    2,752,093.40x = 5,495,348,469,312.96
  5. Step 5: Solve for x
    x = 5,495,348,469,312.96/2,752,093.40
  6. Step 6: Final answer
    x = 1,996,788.51

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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.