Home / 3,519,390.97-5,281,083.45-1,900,138.21

Finding the Fourth Proportional to 3,519,390.97, 5,281,083.45 and 1,900,138.21

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Solution

The fourth proportional to 3,519,390.97, 5,281,083.45 and 1,900,138.21 is: 2,851,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,390.97 : 5,281,083.45 = 1,900,138.21 : x
  2. Step 2: Convert to fraction form
    3,519,390.97/5,281,083.45 = 1,900,138.21/x
  3. Step 3: Cross multiply
    3,519,390.97x = 5,281,083.45 × 1,900,138.21
  4. Step 4: Simplify right side
    3,519,390.97x = 10,034,788,453,543.62
  5. Step 5: Solve for x
    x = 10,034,788,453,543.62/3,519,390.97
  6. Step 6: Final answer
    x = 2,851,285.50

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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.