Home / 3,128,523.44-4,315,131.95-2,871,229.77

Finding the Fourth Proportional to 3,128,523.44, 4,315,131.95 and 2,871,229.77

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Solution

The fourth proportional to 3,128,523.44, 4,315,131.95 and 2,871,229.77 is: 3,960,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,523.44 : 4,315,131.95 = 2,871,229.77 : x
  2. Step 2: Convert to fraction form
    3,128,523.44/4,315,131.95 = 2,871,229.77/x
  3. Step 3: Cross multiply
    3,128,523.44x = 4,315,131.95 × 2,871,229.77
  4. Step 4: Simplify right side
    3,128,523.44x = 12,389,735,301,962.00
  5. Step 5: Solve for x
    x = 12,389,735,301,962.00/3,128,523.44
  6. Step 6: Final answer
    x = 3,960,250.12

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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.