Home / 3,128,536.94-4,315,150.58-2,871,243.27

Finding the Fourth Proportional to 3,128,536.94, 4,315,150.58 and 2,871,243.27

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Solution

The fourth proportional to 3,128,536.94, 4,315,150.58 and 2,871,243.27 is: 3,960,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,536.94 : 4,315,150.58 = 2,871,243.27 : x
  2. Step 2: Convert to fraction form
    3,128,536.94/4,315,150.58 = 2,871,243.27/x
  3. Step 3: Cross multiply
    3,128,536.94x = 4,315,150.58 × 2,871,243.27
  4. Step 4: Simplify right side
    3,128,536.94x = 12,389,847,047,505.38
  5. Step 5: Solve for x
    x = 12,389,847,047,505.38/3,128,536.94
  6. Step 6: Final answer
    x = 3,960,268.75

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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.