Home / 1,407,028.83-2,100,355.10-1,236,778.17

Finding the Fourth Proportional to 1,407,028.83, 2,100,355.10 and 1,236,778.17

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Solution

The fourth proportional to 1,407,028.83, 2,100,355.10 and 1,236,778.17 is: 1,846,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,028.83 : 2,100,355.10 = 1,236,778.17 : x
  2. Step 2: Convert to fraction form
    1,407,028.83/2,100,355.10 = 1,236,778.17/x
  3. Step 3: Cross multiply
    1,407,028.83x = 2,100,355.10 × 1,236,778.17
  4. Step 4: Simplify right side
    1,407,028.83x = 2,597,673,330,744.28
  5. Step 5: Solve for x
    x = 2,597,673,330,744.28/1,407,028.83
  6. Step 6: Final answer
    x = 1,846,211.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.