Home / 5,418,756.82-8,128,132.80-1,632,239.70

Finding the Fourth Proportional to 5,418,756.82, 8,128,132.80 and 1,632,239.70

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Solution

The fourth proportional to 5,418,756.82, 8,128,132.80 and 1,632,239.70 is: 2,448,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,756.82 : 8,128,132.80 = 1,632,239.70 : x
  2. Step 2: Convert to fraction form
    5,418,756.82/8,128,132.80 = 1,632,239.70/x
  3. Step 3: Cross multiply
    5,418,756.82x = 8,128,132.80 × 1,632,239.70
  4. Step 4: Simplify right side
    5,418,756.82x = 13,267,061,043,032.16
  5. Step 5: Solve for x
    x = 13,267,061,043,032.16/5,418,756.82
  6. Step 6: Final answer
    x = 2,448,358.82

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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.