Home / 2,728,289.05-4,093,909.80-1,131,013.60

Finding the Fourth Proportional to 2,728,289.05, 4,093,909.80 and 1,131,013.60

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Solution

The fourth proportional to 2,728,289.05, 4,093,909.80 and 1,131,013.60 is: 1,697,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,289.05 : 4,093,909.80 = 1,131,013.60 : x
  2. Step 2: Convert to fraction form
    2,728,289.05/4,093,909.80 = 1,131,013.60/x
  3. Step 3: Cross multiply
    2,728,289.05x = 4,093,909.80 × 1,131,013.60
  4. Step 4: Simplify right side
    2,728,289.05x = 4,630,267,660,973.28
  5. Step 5: Solve for x
    x = 4,630,267,660,973.28/2,728,289.05
  6. Step 6: Final answer
    x = 1,697,132.37

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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.