Home / 3,084,866.80-4,625,356.20-1,288,999.60

Finding the Fourth Proportional to 3,084,866.80, 4,625,356.20 and 1,288,999.60

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Solution

The fourth proportional to 3,084,866.80, 4,625,356.20 and 1,288,999.60 is: 1,932,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,866.80 : 4,625,356.20 = 1,288,999.60 : x
  2. Step 2: Convert to fraction form
    3,084,866.80/4,625,356.20 = 1,288,999.60/x
  3. Step 3: Cross multiply
    3,084,866.80x = 4,625,356.20 × 1,288,999.60
  4. Step 4: Simplify right side
    3,084,866.80x = 5,962,082,291,657.52
  5. Step 5: Solve for x
    x = 5,962,082,291,657.52/3,084,866.80
  6. Step 6: Final answer
    x = 1,932,687.11

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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.