Home / 2,728,506.78-4,092,062.06-808,969.12

Finding the Fourth Proportional to 2,728,506.78, 4,092,062.06 and 808,969.12

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Solution

The fourth proportional to 2,728,506.78, 4,092,062.06 and 808,969.12 is: 1,213,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,506.78 : 4,092,062.06 = 808,969.12 : x
  2. Step 2: Convert to fraction form
    2,728,506.78/4,092,062.06 = 808,969.12/x
  3. Step 3: Cross multiply
    2,728,506.78x = 4,092,062.06 × 808,969.12
  4. Step 4: Simplify right side
    2,728,506.78x = 3,310,351,843,663.59
  5. Step 5: Solve for x
    x = 3,310,351,843,663.59/2,728,506.78
  6. Step 6: Final answer
    x = 1,213,246.70

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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.