Home / 1,618,148.97-2,428,714.26-819,996.03

Finding the Fourth Proportional to 1,618,148.97, 2,428,714.26 and 819,996.03

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Solution

The fourth proportional to 1,618,148.97, 2,428,714.26 and 819,996.03 is: 1,230,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,148.97 : 2,428,714.26 = 819,996.03 : x
  2. Step 2: Convert to fraction form
    1,618,148.97/2,428,714.26 = 819,996.03/x
  3. Step 3: Cross multiply
    1,618,148.97x = 2,428,714.26 × 819,996.03
  4. Step 4: Simplify right side
    1,618,148.97x = 1,991,536,051,204.39
  5. Step 5: Solve for x
    x = 1,991,536,051,204.39/1,618,148.97
  6. Step 6: Final answer
    x = 1,230,749.51

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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.