Home / 1,900,729.24-2,851,519.38-638,522.44

Finding the Fourth Proportional to 1,900,729.24, 2,851,519.38 and 638,522.44

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Solution

The fourth proportional to 1,900,729.24, 2,851,519.38 and 638,522.44 is: 957,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,729.24 : 2,851,519.38 = 638,522.44 : x
  2. Step 2: Convert to fraction form
    1,900,729.24/2,851,519.38 = 638,522.44/x
  3. Step 3: Cross multiply
    1,900,729.24x = 2,851,519.38 × 638,522.44
  4. Step 4: Simplify right side
    1,900,729.24x = 1,820,759,112,224.89
  5. Step 5: Solve for x
    x = 1,820,759,112,224.89/1,900,729.24
  6. Step 6: Final answer
    x = 957,926.61

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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.