Home / 3,910,074.15-5,393,984.85-3,393,102.45

Finding the Fourth Proportional to 3,910,074.15, 5,393,984.85 and 3,393,102.45

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Solution

The fourth proportional to 3,910,074.15, 5,393,984.85 and 3,393,102.45 is: 4,680,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,074.15 : 5,393,984.85 = 3,393,102.45 : x
  2. Step 2: Convert to fraction form
    3,910,074.15/5,393,984.85 = 3,393,102.45/x
  3. Step 3: Cross multiply
    3,910,074.15x = 5,393,984.85 × 3,393,102.45
  4. Step 4: Simplify right side
    3,910,074.15x = 18,302,343,209,797.88
  5. Step 5: Solve for x
    x = 18,302,343,209,797.88/3,910,074.15
  6. Step 6: Final answer
    x = 4,680,817.42

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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.