Home / 2,185,841.80-3,278,981.40-669,507.22

Finding the Fourth Proportional to 2,185,841.80, 3,278,981.40 and 669,507.22

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Solution

The fourth proportional to 2,185,841.80, 3,278,981.40 and 669,507.22 is: 1,004,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,841.80 : 3,278,981.40 = 669,507.22 : x
  2. Step 2: Convert to fraction form
    2,185,841.80/3,278,981.40 = 669,507.22/x
  3. Step 3: Cross multiply
    2,185,841.80x = 3,278,981.40 × 669,507.22
  4. Step 4: Simplify right side
    2,185,841.80x = 2,195,301,726,899.76
  5. Step 5: Solve for x
    x = 2,195,301,726,899.76/2,185,841.80
  6. Step 6: Final answer
    x = 1,004,327.82

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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.