Home / 2,617,394.78-3,926,092.44-820,278.02

Finding the Fourth Proportional to 2,617,394.78, 3,926,092.44 and 820,278.02

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Solution

The fourth proportional to 2,617,394.78, 3,926,092.44 and 820,278.02 is: 1,230,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,394.78 : 3,926,092.44 = 820,278.02 : x
  2. Step 2: Convert to fraction form
    2,617,394.78/3,926,092.44 = 820,278.02/x
  3. Step 3: Cross multiply
    2,617,394.78x = 3,926,092.44 × 820,278.02
  4. Step 4: Simplify right side
    2,617,394.78x = 3,220,487,333,020.17
  5. Step 5: Solve for x
    x = 3,220,487,333,020.17/2,617,394.78
  6. Step 6: Final answer
    x = 1,230,417.11

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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.