Home / 2,728,528.65-4,092,094.82-808,991.06

Finding the Fourth Proportional to 2,728,528.65, 4,092,094.82 and 808,991.06

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Solution

The fourth proportional to 2,728,528.65, 4,092,094.82 and 808,991.06 is: 1,213,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,528.65 : 4,092,094.82 = 808,991.06 : x
  2. Step 2: Convert to fraction form
    2,728,528.65/4,092,094.82 = 808,991.06/x
  3. Step 3: Cross multiply
    2,728,528.65x = 4,092,094.82 × 808,991.06
  4. Step 4: Simplify right side
    2,728,528.65x = 3,310,468,107,614.31
  5. Step 5: Solve for x
    x = 3,310,468,107,614.31/2,728,528.65
  6. Step 6: Final answer
    x = 1,213,279.58

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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.