Home / 5,187,361.70-7,160,079.44-3,012,882.28

Finding the Fourth Proportional to 5,187,361.70, 7,160,079.44 and 3,012,882.28

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Solution

The fourth proportional to 5,187,361.70, 7,160,079.44 and 3,012,882.28 is: 4,158,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,361.70 : 7,160,079.44 = 3,012,882.28 : x
  2. Step 2: Convert to fraction form
    5,187,361.70/7,160,079.44 = 3,012,882.28/x
  3. Step 3: Cross multiply
    5,187,361.70x = 7,160,079.44 × 3,012,882.28
  4. Step 4: Simplify right side
    5,187,361.70x = 21,572,476,457,800.33
  5. Step 5: Solve for x
    x = 21,572,476,457,800.33/5,187,361.70
  6. Step 6: Final answer
    x = 4,158,660.55

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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.