Home / 1,993,822.06-2,991,204.51-645,982.48

Finding the Fourth Proportional to 1,993,822.06, 2,991,204.51 and 645,982.48

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Solution

The fourth proportional to 1,993,822.06, 2,991,204.51 and 645,982.48 is: 969,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,822.06 : 2,991,204.51 = 645,982.48 : x
  2. Step 2: Convert to fraction form
    1,993,822.06/2,991,204.51 = 645,982.48/x
  3. Step 3: Cross multiply
    1,993,822.06x = 2,991,204.51 × 645,982.48
  4. Step 4: Simplify right side
    1,993,822.06x = 1,932,265,707,556.98
  5. Step 5: Solve for x
    x = 1,932,265,707,556.98/1,993,822.06
  6. Step 6: Final answer
    x = 969,126.46

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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.