Home / 2,681,469.77-4,021,598.10-762,338.37

Finding the Fourth Proportional to 2,681,469.77, 4,021,598.10 and 762,338.37

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Solution

The fourth proportional to 2,681,469.77, 4,021,598.10 and 762,338.37 is: 1,143,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,469.77 : 4,021,598.10 = 762,338.37 : x
  2. Step 2: Convert to fraction form
    2,681,469.77/4,021,598.10 = 762,338.37/x
  3. Step 3: Cross multiply
    2,681,469.77x = 4,021,598.10 × 762,338.37
  4. Step 4: Simplify right side
    2,681,469.77x = 3,065,818,521,824.06
  5. Step 5: Solve for x
    x = 3,065,818,521,824.06/2,681,469.77
  6. Step 6: Final answer
    x = 1,143,335.11

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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.