Home / 2,668,936-3,993,359.28-1,871,773.60

Finding the Fourth Proportional to 2,668,936, 3,993,359.28 and 1,871,773.60

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Solution

The fourth proportional to 2,668,936, 3,993,359.28 and 1,871,773.60 is: 2,800,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,936 : 3,993,359.28 = 1,871,773.60 : x
  2. Step 2: Convert to fraction form
    2,668,936/3,993,359.28 = 1,871,773.60/x
  3. Step 3: Cross multiply
    2,668,936x = 3,993,359.28 × 1,871,773.60
  4. Step 4: Simplify right side
    2,668,936x = 7,474,664,475,619.01
  5. Step 5: Solve for x
    x = 7,474,664,475,619.01/2,668,936
  6. Step 6: Final answer
    x = 2,800,615.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.