Home / 5,163,727.78-7,126,196.70-2,871,839.26

Finding the Fourth Proportional to 5,163,727.78, 7,126,196.70 and 2,871,839.26

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Solution

The fourth proportional to 5,163,727.78, 7,126,196.70 and 2,871,839.26 is: 3,963,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163,727.78 : 7,126,196.70 = 2,871,839.26 : x
  2. Step 2: Convert to fraction form
    5,163,727.78/7,126,196.70 = 2,871,839.26/x
  3. Step 3: Cross multiply
    5,163,727.78x = 7,126,196.70 × 2,871,839.26
  4. Step 4: Simplify right side
    5,163,727.78x = 20,465,291,457,542.44
  5. Step 5: Solve for x
    x = 20,465,291,457,542.44/5,163,727.78
  6. Step 6: Final answer
    x = 3,963,278.53

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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.