Home / 3,278,458.80-4,915,719.90-1,684,135.80

Finding the Fourth Proportional to 3,278,458.80, 4,915,719.90 and 1,684,135.80

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Solution

The fourth proportional to 3,278,458.80, 4,915,719.90 and 1,684,135.80 is: 2,525,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,458.80 : 4,915,719.90 = 1,684,135.80 : x
  2. Step 2: Convert to fraction form
    3,278,458.80/4,915,719.90 = 1,684,135.80/x
  3. Step 3: Cross multiply
    3,278,458.80x = 4,915,719.90 × 1,684,135.80
  4. Step 4: Simplify right side
    3,278,458.80x = 8,278,739,866,362.42
  5. Step 5: Solve for x
    x = 8,278,739,866,362.42/3,278,458.80
  6. Step 6: Final answer
    x = 2,525,192.59

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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.