Home / 3,478,554-5,217,769.44-1,428,770.76

Finding the Fourth Proportional to 3,478,554, 5,217,769.44 and 1,428,770.76

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Solution

The fourth proportional to 3,478,554, 5,217,769.44 and 1,428,770.76 is: 2,143,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,554 : 5,217,769.44 = 1,428,770.76 : x
  2. Step 2: Convert to fraction form
    3,478,554/5,217,769.44 = 1,428,770.76/x
  3. Step 3: Cross multiply
    3,478,554x = 5,217,769.44 × 1,428,770.76
  4. Step 4: Simplify right side
    3,478,554x = 7,454,996,408,293.58
  5. Step 5: Solve for x
    x = 7,454,996,408,293.58/3,478,554
  6. Step 6: Final answer
    x = 2,143,130.86

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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.