Home / 3,476,484.75-5,217,040.97-1,428,824.55

Finding the Fourth Proportional to 3,476,484.75, 5,217,040.97 and 1,428,824.55

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Solution

The fourth proportional to 3,476,484.75, 5,217,040.97 and 1,428,824.55 is: 2,144,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,484.75 : 5,217,040.97 = 1,428,824.55 : x
  2. Step 2: Convert to fraction form
    3,476,484.75/5,217,040.97 = 1,428,824.55/x
  3. Step 3: Cross multiply
    3,476,484.75x = 5,217,040.97 × 1,428,824.55
  4. Step 4: Simplify right side
    3,476,484.75x = 7,454,236,209,147.69
  5. Step 5: Solve for x
    x = 7,454,236,209,147.69/3,476,484.75
  6. Step 6: Final answer
    x = 2,144,187.81

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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.