Home / 2,485,815.39-3,728,803.28-688,716.18

Finding the Fourth Proportional to 2,485,815.39, 3,728,803.28 and 688,716.18

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Solution

The fourth proportional to 2,485,815.39, 3,728,803.28 and 688,716.18 is: 1,033,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,815.39 : 3,728,803.28 = 688,716.18 : x
  2. Step 2: Convert to fraction form
    2,485,815.39/3,728,803.28 = 688,716.18/x
  3. Step 3: Cross multiply
    2,485,815.39x = 3,728,803.28 × 688,716.18
  4. Step 4: Simplify right side
    2,485,815.39x = 2,568,087,147,529.49
  5. Step 5: Solve for x
    x = 2,568,087,147,529.49/2,485,815.39
  6. Step 6: Final answer
    x = 1,033,096.49

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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.