Home / 5,145,274.20-7,100,914.86-2,854,173

Finding the Fourth Proportional to 5,145,274.20, 7,100,914.86 and 2,854,173

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Solution

The fourth proportional to 5,145,274.20, 7,100,914.86 and 2,854,173 is: 3,939,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,274.20 : 7,100,914.86 = 2,854,173 : x
  2. Step 2: Convert to fraction form
    5,145,274.20/7,100,914.86 = 2,854,173/x
  3. Step 3: Cross multiply
    5,145,274.20x = 7,100,914.86 × 2,854,173
  4. Step 4: Simplify right side
    5,145,274.20x = 20,267,239,468,710.78
  5. Step 5: Solve for x
    x = 20,267,239,468,710.78/5,145,274.20
  6. Step 6: Final answer
    x = 3,939,000.85

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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.