Home / 5,121,532.02-7,067,856.78-2,829,840.42

Finding the Fourth Proportional to 5,121,532.02, 7,067,856.78 and 2,829,840.42

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Solution

The fourth proportional to 5,121,532.02, 7,067,856.78 and 2,829,840.42 is: 3,905,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,532.02 : 7,067,856.78 = 2,829,840.42 : x
  2. Step 2: Convert to fraction form
    5,121,532.02/7,067,856.78 = 2,829,840.42/x
  3. Step 3: Cross multiply
    5,121,532.02x = 7,067,856.78 × 2,829,840.42
  4. Step 4: Simplify right side
    5,121,532.02x = 20,000,906,798,815.05
  5. Step 5: Solve for x
    x = 20,000,906,798,815.05/5,121,532.02
  6. Step 6: Final answer
    x = 3,905,258.57

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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.