Home / 2,187,980.23-3,019,807.97-1,304,986.02

Finding the Fourth Proportional to 2,187,980.23, 3,019,807.97 and 1,304,986.02

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Solution

The fourth proportional to 2,187,980.23, 3,019,807.97 and 1,304,986.02 is: 1,801,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,980.23 : 3,019,807.97 = 1,304,986.02 : x
  2. Step 2: Convert to fraction form
    2,187,980.23/3,019,807.97 = 1,304,986.02/x
  3. Step 3: Cross multiply
    2,187,980.23x = 3,019,807.97 × 1,304,986.02
  4. Step 4: Simplify right side
    2,187,980.23x = 3,940,807,173,434.47
  5. Step 5: Solve for x
    x = 3,940,807,173,434.47/2,187,980.23
  6. Step 6: Final answer
    x = 1,801,116.44

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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.