Home / 1,901,067.75-2,851,601.67-638,895.42

Finding the Fourth Proportional to 1,901,067.75, 2,851,601.67 and 638,895.42

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Solution

The fourth proportional to 1,901,067.75, 2,851,601.67 and 638,895.42 is: 958,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,067.75 : 2,851,601.67 = 638,895.42 : x
  2. Step 2: Convert to fraction form
    1,901,067.75/2,851,601.67 = 638,895.42/x
  3. Step 3: Cross multiply
    1,901,067.75x = 2,851,601.67 × 638,895.42
  4. Step 4: Simplify right side
    1,901,067.75x = 1,821,875,246,627.35
  5. Step 5: Solve for x
    x = 1,821,875,246,627.35/1,901,067.75
  6. Step 6: Final answer
    x = 958,343.15

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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.