Home / 3,906,939.02-5,386,811.85-2,871,293.67

Finding the Fourth Proportional to 3,906,939.02, 5,386,811.85 and 2,871,293.67

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Solution

The fourth proportional to 3,906,939.02, 5,386,811.85 and 2,871,293.67 is: 3,958,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,939.02 : 5,386,811.85 = 2,871,293.67 : x
  2. Step 2: Convert to fraction form
    3,906,939.02/5,386,811.85 = 2,871,293.67/x
  3. Step 3: Cross multiply
    3,906,939.02x = 5,386,811.85 × 2,871,293.67
  4. Step 4: Simplify right side
    3,906,939.02x = 15,467,118,766,385.99
  5. Step 5: Solve for x
    x = 15,467,118,766,385.99/3,906,939.02
  6. Step 6: Final answer
    x = 3,958,884.11

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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.