Home / 2,752,111.20-4,128,166.80-1,155,819.90

Finding the Fourth Proportional to 2,752,111.20, 4,128,166.80 and 1,155,819.90

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Solution

The fourth proportional to 2,752,111.20, 4,128,166.80 and 1,155,819.90 is: 1,733,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,111.20 : 4,128,166.80 = 1,155,819.90 : x
  2. Step 2: Convert to fraction form
    2,752,111.20/4,128,166.80 = 1,155,819.90/x
  3. Step 3: Cross multiply
    2,752,111.20x = 4,128,166.80 × 1,155,819.90
  4. Step 4: Simplify right side
    2,752,111.20x = 4,771,417,337,959.32
  5. Step 5: Solve for x
    x = 4,771,417,337,959.32/2,752,111.20
  6. Step 6: Final answer
    x = 1,733,729.85

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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.