Home / 7,189,060.96-10,783,560.72-2,928,278.88

Finding the Fourth Proportional to 7,189,060.96, 10,783,560.72 and 2,928,278.88

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Solution

The fourth proportional to 7,189,060.96, 10,783,560.72 and 2,928,278.88 is: 4,392,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,060.96 : 10,783,560.72 = 2,928,278.88 : x
  2. Step 2: Convert to fraction form
    7,189,060.96/10,783,560.72 = 2,928,278.88/x
  3. Step 3: Cross multiply
    7,189,060.96x = 10,783,560.72 × 2,928,278.88
  4. Step 4: Simplify right side
    7,189,060.96x = 31,577,273,107,573.59
  5. Step 5: Solve for x
    x = 31,577,273,107,573.59/7,189,060.96
  6. Step 6: Final answer
    x = 4,392,405.81

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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.