Home / 2,871,431.92-3,962,576.40-1,664,907.76

Finding the Fourth Proportional to 2,871,431.92, 3,962,576.40 and 1,664,907.76

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Solution

The fourth proportional to 2,871,431.92, 3,962,576.40 and 1,664,907.76 is: 2,297,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,431.92 : 3,962,576.40 = 1,664,907.76 : x
  2. Step 2: Convert to fraction form
    2,871,431.92/3,962,576.40 = 1,664,907.76/x
  3. Step 3: Cross multiply
    2,871,431.92x = 3,962,576.40 × 1,664,907.76
  4. Step 4: Simplify right side
    2,871,431.92x = 6,597,324,197,952.86
  5. Step 5: Solve for x
    x = 6,597,324,197,952.86/2,871,431.92
  6. Step 6: Final answer
    x = 2,297,572.91

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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.