Home / 3,560,189.40-4,913,076.42-1,928,596.78

Finding the Fourth Proportional to 3,560,189.40, 4,913,076.42 and 1,928,596.78

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Solution

The fourth proportional to 3,560,189.40, 4,913,076.42 and 1,928,596.78 is: 2,661,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560,189.40 : 4,913,076.42 = 1,928,596.78 : x
  2. Step 2: Convert to fraction form
    3,560,189.40/4,913,076.42 = 1,928,596.78/x
  3. Step 3: Cross multiply
    3,560,189.40x = 4,913,076.42 × 1,928,596.78
  4. Step 4: Simplify right side
    3,560,189.40x = 9,475,343,363,505.93
  5. Step 5: Solve for x
    x = 9,475,343,363,505.93/3,560,189.40
  6. Step 6: Final answer
    x = 2,661,471.71

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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.