Home / 2,865,605.92-3,954,380-1,576,238.16

Finding the Fourth Proportional to 2,865,605.92, 3,954,380 and 1,576,238.16

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Solution

The fourth proportional to 2,865,605.92, 3,954,380 and 1,576,238.16 is: 2,175,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,605.92 : 3,954,380 = 1,576,238.16 : x
  2. Step 2: Convert to fraction form
    2,865,605.92/3,954,380 = 1,576,238.16/x
  3. Step 3: Cross multiply
    2,865,605.92x = 3,954,380 × 1,576,238.16
  4. Step 4: Simplify right side
    2,865,605.92x = 6,233,044,655,140.80
  5. Step 5: Solve for x
    x = 6,233,044,655,140.80/2,865,605.92
  6. Step 6: Final answer
    x = 2,175,122.76

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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.