Home / 5,821,374.42-8,721,421.20-4,219,965.54

Finding the Fourth Proportional to 5,821,374.42, 8,721,421.20 and 4,219,965.54

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Solution

The fourth proportional to 5,821,374.42, 8,721,421.20 and 4,219,965.54 is: 6,322,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821,374.42 : 8,721,421.20 = 4,219,965.54 : x
  2. Step 2: Convert to fraction form
    5,821,374.42/8,721,421.20 = 4,219,965.54/x
  3. Step 3: Cross multiply
    5,821,374.42x = 8,721,421.20 × 4,219,965.54
  4. Step 4: Simplify right side
    5,821,374.42x = 36,804,096,923,825.45
  5. Step 5: Solve for x
    x = 36,804,096,923,825.45/5,821,374.42
  6. Step 6: Final answer
    x = 6,322,234.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.