Home / 2,629,143.25-3,628,217.69-1,421,919.25

Finding the Fourth Proportional to 2,629,143.25, 3,628,217.69 and 1,421,919.25

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Solution

The fourth proportional to 2,629,143.25, 3,628,217.69 and 1,421,919.25 is: 1,962,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,143.25 : 3,628,217.69 = 1,421,919.25 : x
  2. Step 2: Convert to fraction form
    2,629,143.25/3,628,217.69 = 1,421,919.25/x
  3. Step 3: Cross multiply
    2,629,143.25x = 3,628,217.69 × 1,421,919.25
  4. Step 4: Simplify right side
    2,629,143.25x = 5,159,032,576,601.53
  5. Step 5: Solve for x
    x = 5,159,032,576,601.53/2,629,143.25
  6. Step 6: Final answer
    x = 1,962,248.57

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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.