Home / 2,743,145.60-4,112,990.40-1,146,819.20

Finding the Fourth Proportional to 2,743,145.60, 4,112,990.40 and 1,146,819.20

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Solution

The fourth proportional to 2,743,145.60, 4,112,990.40 and 1,146,819.20 is: 1,719,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743,145.60 : 4,112,990.40 = 1,146,819.20 : x
  2. Step 2: Convert to fraction form
    2,743,145.60/4,112,990.40 = 1,146,819.20/x
  3. Step 3: Cross multiply
    2,743,145.60x = 4,112,990.40 × 1,146,819.20
  4. Step 4: Simplify right side
    2,743,145.60x = 4,716,856,360,135.68
  5. Step 5: Solve for x
    x = 4,716,856,360,135.68/2,743,145.60
  6. Step 6: Final answer
    x = 1,719,506.38

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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.