Home / 2,168,927.80-3,251,058.90-820,569.40

Finding the Fourth Proportional to 2,168,927.80, 3,251,058.90 and 820,569.40

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Solution

The fourth proportional to 2,168,927.80, 3,251,058.90 and 820,569.40 is: 1,229,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,927.80 : 3,251,058.90 = 820,569.40 : x
  2. Step 2: Convert to fraction form
    2,168,927.80/3,251,058.90 = 820,569.40/x
  3. Step 3: Cross multiply
    2,168,927.80x = 3,251,058.90 × 820,569.40
  4. Step 4: Simplify right side
    2,168,927.80x = 2,667,719,450,937.66
  5. Step 5: Solve for x
    x = 2,667,719,450,937.66/2,168,927.80
  6. Step 6: Final answer
    x = 1,229,971.53

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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.