Home / 5,384,082.56-7,430,122.61-2,936,693.78

Finding the Fourth Proportional to 5,384,082.56, 7,430,122.61 and 2,936,693.78

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Solution

The fourth proportional to 5,384,082.56, 7,430,122.61 and 2,936,693.78 is: 4,052,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,082.56 : 7,430,122.61 = 2,936,693.78 : x
  2. Step 2: Convert to fraction form
    5,384,082.56/7,430,122.61 = 2,936,693.78/x
  3. Step 3: Cross multiply
    5,384,082.56x = 7,430,122.61 × 2,936,693.78
  4. Step 4: Simplify right side
    5,384,082.56x = 21,819,994,840,465.84
  5. Step 5: Solve for x
    x = 21,819,994,840,465.84/5,384,082.56
  6. Step 6: Final answer
    x = 4,052,685.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.