Home / 3,109,618.19-4,291,419.20-1,820,873.76

Finding the Fourth Proportional to 3,109,618.19, 4,291,419.20 and 1,820,873.76

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Solution

The fourth proportional to 3,109,618.19, 4,291,419.20 and 1,820,873.76 is: 2,512,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,618.19 : 4,291,419.20 = 1,820,873.76 : x
  2. Step 2: Convert to fraction form
    3,109,618.19/4,291,419.20 = 1,820,873.76/x
  3. Step 3: Cross multiply
    3,109,618.19x = 4,291,419.20 × 1,820,873.76
  4. Step 4: Simplify right side
    3,109,618.19x = 7,814,132,605,335.82
  5. Step 5: Solve for x
    x = 7,814,132,605,335.82/3,109,618.19
  6. Step 6: Final answer
    x = 2,512,891.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.