Home / 2,131,297.20-3,194,146.42-1,009,686.96

Finding the Fourth Proportional to 2,131,297.20, 3,194,146.42 and 1,009,686.96

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Solution

The fourth proportional to 2,131,297.20, 3,194,146.42 and 1,009,686.96 is: 1,513,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,297.20 : 3,194,146.42 = 1,009,686.96 : x
  2. Step 2: Convert to fraction form
    2,131,297.20/3,194,146.42 = 1,009,686.96/x
  3. Step 3: Cross multiply
    2,131,297.20x = 3,194,146.42 × 1,009,686.96
  4. Step 4: Simplify right side
    2,131,297.20x = 3,225,087,988,604.68
  5. Step 5: Solve for x
    x = 3,225,087,988,604.68/2,131,297.20
  6. Step 6: Final answer
    x = 1,513,204.25

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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.