Home / 2,871,429.92-3,962,573.64-1,664,905.76

Finding the Fourth Proportional to 2,871,429.92, 3,962,573.64 and 1,664,905.76

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Solution

The fourth proportional to 2,871,429.92, 3,962,573.64 and 1,664,905.76 is: 2,297,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,429.92 : 3,962,573.64 = 1,664,905.76 : x
  2. Step 2: Convert to fraction form
    2,871,429.92/3,962,573.64 = 1,664,905.76/x
  3. Step 3: Cross multiply
    2,871,429.92x = 3,962,573.64 × 1,664,905.76
  4. Step 4: Simplify right side
    2,871,429.92x = 6,597,311,677,660.17
  5. Step 5: Solve for x
    x = 6,597,311,677,660.17/2,871,429.92
  6. Step 6: Final answer
    x = 2,297,570.15

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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.