Home / 3,835,456.21-5,749,139.94-1,275,987.53

Finding the Fourth Proportional to 3,835,456.21, 5,749,139.94 and 1,275,987.53

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Solution

The fourth proportional to 3,835,456.21, 5,749,139.94 and 1,275,987.53 is: 1,912,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835,456.21 : 5,749,139.94 = 1,275,987.53 : x
  2. Step 2: Convert to fraction form
    3,835,456.21/5,749,139.94 = 1,275,987.53/x
  3. Step 3: Cross multiply
    3,835,456.21x = 5,749,139.94 × 1,275,987.53
  4. Step 4: Simplify right side
    3,835,456.21x = 7,335,830,881,252.85
  5. Step 5: Solve for x
    x = 7,335,830,881,252.85/3,835,456.21
  6. Step 6: Final answer
    x = 1,912,635.81

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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.