Home / 2,146,141.03-2,961,839.41-1,228,657.97

Finding the Fourth Proportional to 2,146,141.03, 2,961,839.41 and 1,228,657.97

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Solution

The fourth proportional to 2,146,141.03, 2,961,839.41 and 1,228,657.97 is: 1,695,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,141.03 : 2,961,839.41 = 1,228,657.97 : x
  2. Step 2: Convert to fraction form
    2,146,141.03/2,961,839.41 = 1,228,657.97/x
  3. Step 3: Cross multiply
    2,146,141.03x = 2,961,839.41 × 1,228,657.97
  4. Step 4: Simplify right side
    2,146,141.03x = 3,639,087,582,901.47
  5. Step 5: Solve for x
    x = 3,639,087,582,901.47/2,146,141.03
  6. Step 6: Final answer
    x = 1,695,642.33

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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.