Home / 5,629,825.67-7,769,989.53-3,565,029.78

Finding the Fourth Proportional to 5,629,825.67, 7,769,989.53 and 3,565,029.78

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Solution

The fourth proportional to 5,629,825.67, 7,769,989.53 and 3,565,029.78 is: 4,920,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629,825.67 : 7,769,989.53 = 3,565,029.78 : x
  2. Step 2: Convert to fraction form
    5,629,825.67/7,769,989.53 = 3,565,029.78/x
  3. Step 3: Cross multiply
    5,629,825.67x = 7,769,989.53 × 3,565,029.78
  4. Step 4: Simplify right side
    5,629,825.67x = 27,700,244,064,738.20
  5. Step 5: Solve for x
    x = 27,700,244,064,738.20/5,629,825.67
  6. Step 6: Final answer
    x = 4,920,266.76

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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.