Home / 2,616,999.17-3,925,493.89-820,020.29

Finding the Fourth Proportional to 2,616,999.17, 3,925,493.89 and 820,020.29

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Solution

The fourth proportional to 2,616,999.17, 3,925,493.89 and 820,020.29 is: 1,230,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,999.17 : 3,925,493.89 = 820,020.29 : x
  2. Step 2: Convert to fraction form
    2,616,999.17/3,925,493.89 = 820,020.29/x
  3. Step 3: Cross multiply
    2,616,999.17x = 3,925,493.89 × 820,020.29
  4. Step 4: Simplify right side
    2,616,999.17x = 3,218,984,616,393.51
  5. Step 5: Solve for x
    x = 3,218,984,616,393.51/2,616,999.17
  6. Step 6: Final answer
    x = 1,230,028.90

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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.