Home / 3,394,883.04-4,684,845.12-1,866,990

Finding the Fourth Proportional to 3,394,883.04, 4,684,845.12 and 1,866,990

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Solution

The fourth proportional to 3,394,883.04, 4,684,845.12 and 1,866,990 is: 2,576,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,883.04 : 4,684,845.12 = 1,866,990 : x
  2. Step 2: Convert to fraction form
    3,394,883.04/4,684,845.12 = 1,866,990/x
  3. Step 3: Cross multiply
    3,394,883.04x = 4,684,845.12 × 1,866,990
  4. Step 4: Simplify right side
    3,394,883.04x = 8,746,558,990,588.80
  5. Step 5: Solve for x
    x = 8,746,558,990,588.80/3,394,883.04
  6. Step 6: Final answer
    x = 2,576,394.79

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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.