Home / 2,779,163.60-4,168,975.80-885,851.60

Finding the Fourth Proportional to 2,779,163.60, 4,168,975.80 and 885,851.60

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Solution

The fourth proportional to 2,779,163.60, 4,168,975.80 and 885,851.60 is: 1,328,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,163.60 : 4,168,975.80 = 885,851.60 : x
  2. Step 2: Convert to fraction form
    2,779,163.60/4,168,975.80 = 885,851.60/x
  3. Step 3: Cross multiply
    2,779,163.60x = 4,168,975.80 × 885,851.60
  4. Step 4: Simplify right side
    2,779,163.60x = 3,693,093,882,791.28
  5. Step 5: Solve for x
    x = 3,693,093,882,791.28/2,779,163.60
  6. Step 6: Final answer
    x = 1,328,850.84

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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.