Home / 3,871,908.24-5,343,237.77-2,152,991.85

Finding the Fourth Proportional to 3,871,908.24, 5,343,237.77 and 2,152,991.85

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Solution

The fourth proportional to 3,871,908.24, 5,343,237.77 and 2,152,991.85 is: 2,971,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,908.24 : 5,343,237.77 = 2,152,991.85 : x
  2. Step 2: Convert to fraction form
    3,871,908.24/5,343,237.77 = 2,152,991.85/x
  3. Step 3: Cross multiply
    3,871,908.24x = 5,343,237.77 × 2,152,991.85
  4. Step 4: Simplify right side
    3,871,908.24x = 11,503,947,333,941.03
  5. Step 5: Solve for x
    x = 11,503,947,333,941.03/3,871,908.24
  6. Step 6: Final answer
    x = 2,971,131.19

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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.