Home / 6,479,156.48-8,942,965.28-3,726,144.68

Finding the Fourth Proportional to 6,479,156.48, 8,942,965.28 and 3,726,144.68

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Solution

The fourth proportional to 6,479,156.48, 8,942,965.28 and 3,726,144.68 is: 5,143,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479,156.48 : 8,942,965.28 = 3,726,144.68 : x
  2. Step 2: Convert to fraction form
    6,479,156.48/8,942,965.28 = 3,726,144.68/x
  3. Step 3: Cross multiply
    6,479,156.48x = 8,942,965.28 × 3,726,144.68
  4. Step 4: Simplify right side
    6,479,156.48x = 33,322,782,501,496.71
  5. Step 5: Solve for x
    x = 33,322,782,501,496.71/6,479,156.48
  6. Step 6: Final answer
    x = 5,143,074.20

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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.