Home / 3,980,806.84-5,969,697-1,284,727.90

Finding the Fourth Proportional to 3,980,806.84, 5,969,697 and 1,284,727.90

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Solution

The fourth proportional to 3,980,806.84, 5,969,697 and 1,284,727.90 is: 1,926,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,806.84 : 5,969,697 = 1,284,727.90 : x
  2. Step 2: Convert to fraction form
    3,980,806.84/5,969,697 = 1,284,727.90/x
  3. Step 3: Cross multiply
    3,980,806.84x = 5,969,697 × 1,284,727.90
  4. Step 4: Simplify right side
    3,980,806.84x = 7,669,436,290,446.30
  5. Step 5: Solve for x
    x = 7,669,436,290,446.30/3,980,806.84
  6. Step 6: Final answer
    x = 1,926,603.47

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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.