Home / 2,856,382.12-4,284,554.68-726,447.84

Finding the Fourth Proportional to 2,856,382.12, 4,284,554.68 and 726,447.84

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Solution

The fourth proportional to 2,856,382.12, 4,284,554.68 and 726,447.84 is: 1,089,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,382.12 : 4,284,554.68 = 726,447.84 : x
  2. Step 2: Convert to fraction form
    2,856,382.12/4,284,554.68 = 726,447.84/x
  3. Step 3: Cross multiply
    2,856,382.12x = 4,284,554.68 × 726,447.84
  4. Step 4: Simplify right side
    2,856,382.12x = 3,112,505,492,647.89
  5. Step 5: Solve for x
    x = 3,112,505,492,647.89/2,856,382.12
  6. Step 6: Final answer
    x = 1,089,667.05

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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.