Home / 5,412,344.78-8,119,455.16-1,818,462.26

Finding the Fourth Proportional to 5,412,344.78, 8,119,455.16 and 1,818,462.26

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Solution

The fourth proportional to 5,412,344.78, 8,119,455.16 and 1,818,462.26 is: 2,728,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,344.78 : 8,119,455.16 = 1,818,462.26 : x
  2. Step 2: Convert to fraction form
    5,412,344.78/8,119,455.16 = 1,818,462.26/x
  3. Step 3: Cross multiply
    5,412,344.78x = 8,119,455.16 × 1,818,462.26
  4. Step 4: Simplify right side
    5,412,344.78x = 14,764,922,780,222.26
  5. Step 5: Solve for x
    x = 14,764,922,780,222.26/5,412,344.78
  6. Step 6: Final answer
    x = 2,728,008.54

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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.