Home / 3,945,343.28-5,448,333.85-3,730,401.59

Finding the Fourth Proportional to 3,945,343.28, 5,448,333.85 and 3,730,401.59

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Solution

The fourth proportional to 3,945,343.28, 5,448,333.85 and 3,730,401.59 is: 5,151,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,343.28 : 5,448,333.85 = 3,730,401.59 : x
  2. Step 2: Convert to fraction form
    3,945,343.28/5,448,333.85 = 3,730,401.59/x
  3. Step 3: Cross multiply
    3,945,343.28x = 5,448,333.85 × 3,730,401.59
  4. Step 4: Simplify right side
    3,945,343.28x = 20,324,473,220,323.15
  5. Step 5: Solve for x
    x = 20,324,473,220,323.15/3,945,343.28
  6. Step 6: Final answer
    x = 5,151,509.46

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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.