Home / 1,943,042.18-2,681,400.71-1,071,857.21

Finding the Fourth Proportional to 1,943,042.18, 2,681,400.71 and 1,071,857.21

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Solution

The fourth proportional to 1,943,042.18, 2,681,400.71 and 1,071,857.21 is: 1,479,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,042.18 : 2,681,400.71 = 1,071,857.21 : x
  2. Step 2: Convert to fraction form
    1,943,042.18/2,681,400.71 = 1,071,857.21/x
  3. Step 3: Cross multiply
    1,943,042.18x = 2,681,400.71 × 1,071,857.21
  4. Step 4: Simplify right side
    1,943,042.18x = 2,874,078,673,185.26
  5. Step 5: Solve for x
    x = 2,874,078,673,185.26/1,943,042.18
  6. Step 6: Final answer
    x = 1,479,164.33

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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.