Home / 1,821,122.64-2,513,083.38-1,005,308.82

Finding the Fourth Proportional to 1,821,122.64, 2,513,083.38 and 1,005,308.82

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Solution

The fourth proportional to 1,821,122.64, 2,513,083.38 and 1,005,308.82 is: 1,387,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,122.64 : 2,513,083.38 = 1,005,308.82 : x
  2. Step 2: Convert to fraction form
    1,821,122.64/2,513,083.38 = 1,005,308.82/x
  3. Step 3: Cross multiply
    1,821,122.64x = 2,513,083.38 × 1,005,308.82
  4. Step 4: Simplify right side
    1,821,122.64x = 2,526,424,887,309.41
  5. Step 5: Solve for x
    x = 2,526,424,887,309.41/1,821,122.64
  6. Step 6: Final answer
    x = 1,387,289.81

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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.