Home / 2,946,342.24-4,419,608.40-816,446.88

Finding the Fourth Proportional to 2,946,342.24, 4,419,608.40 and 816,446.88

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Solution

The fourth proportional to 2,946,342.24, 4,419,608.40 and 816,446.88 is: 1,224,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,342.24 : 4,419,608.40 = 816,446.88 : x
  2. Step 2: Convert to fraction form
    2,946,342.24/4,419,608.40 = 816,446.88/x
  3. Step 3: Cross multiply
    2,946,342.24x = 4,419,608.40 × 816,446.88
  4. Step 4: Simplify right side
    2,946,342.24x = 3,608,375,489,001.79
  5. Step 5: Solve for x
    x = 3,608,375,489,001.79/2,946,342.24
  6. Step 6: Final answer
    x = 1,224,696.66

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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.