Home / 3,394,821-4,684,759.52-1,866,928.16

Finding the Fourth Proportional to 3,394,821, 4,684,759.52 and 1,866,928.16

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Solution

The fourth proportional to 3,394,821, 4,684,759.52 and 1,866,928.16 is: 2,576,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,821 : 4,684,759.52 = 1,866,928.16 : x
  2. Step 2: Convert to fraction form
    3,394,821/4,684,759.52 = 1,866,928.16/x
  3. Step 3: Cross multiply
    3,394,821x = 4,684,759.52 × 1,866,928.16
  4. Step 4: Simplify right side
    3,394,821x = 8,746,109,470,716.08
  5. Step 5: Solve for x
    x = 8,746,109,470,716.08/3,394,821
  6. Step 6: Final answer
    x = 2,576,309.46

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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.