Home / 2,180,691.32-3,009,287.03-1,213,796.75

Finding the Fourth Proportional to 2,180,691.32, 3,009,287.03 and 1,213,796.75

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Solution

The fourth proportional to 2,180,691.32, 3,009,287.03 and 1,213,796.75 is: 1,675,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,691.32 : 3,009,287.03 = 1,213,796.75 : x
  2. Step 2: Convert to fraction form
    2,180,691.32/3,009,287.03 = 1,213,796.75/x
  3. Step 3: Cross multiply
    2,180,691.32x = 3,009,287.03 × 1,213,796.75
  4. Step 4: Simplify right side
    2,180,691.32x = 3,652,662,795,715.73
  5. Step 5: Solve for x
    x = 3,652,662,795,715.73/2,180,691.32
  6. Step 6: Final answer
    x = 1,675,002.22

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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.