Home / 2,290,880.20-3,161,665.34-1,310,909.80

Finding the Fourth Proportional to 2,290,880.20, 3,161,665.34 and 1,310,909.80

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Solution

The fourth proportional to 2,290,880.20, 3,161,665.34 and 1,310,909.80 is: 1,809,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,880.20 : 3,161,665.34 = 1,310,909.80 : x
  2. Step 2: Convert to fraction form
    2,290,880.20/3,161,665.34 = 1,310,909.80/x
  3. Step 3: Cross multiply
    2,290,880.20x = 3,161,665.34 × 1,310,909.80
  4. Step 4: Simplify right side
    2,290,880.20x = 4,144,658,078,526.33
  5. Step 5: Solve for x
    x = 4,144,658,078,526.33/2,290,880.20
  6. Step 6: Final answer
    x = 1,809,198.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.