Home / 3,871,346.50-5,342,595.33-2,129,150.64

Finding the Fourth Proportional to 3,871,346.50, 5,342,595.33 and 2,129,150.64

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Solution

The fourth proportional to 3,871,346.50, 5,342,595.33 and 2,129,150.64 is: 2,938,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,346.50 : 5,342,595.33 = 2,129,150.64 : x
  2. Step 2: Convert to fraction form
    3,871,346.50/5,342,595.33 = 2,129,150.64/x
  3. Step 3: Cross multiply
    3,871,346.50x = 5,342,595.33 × 2,129,150.64
  4. Step 4: Simplify right side
    3,871,346.50x = 11,375,190,294,149.56
  5. Step 5: Solve for x
    x = 11,375,190,294,149.56/3,871,346.50
  6. Step 6: Final answer
    x = 2,938,303.32

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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.