Home / 3,131,838.88-4,321,864.14-1,842,762.76

Finding the Fourth Proportional to 3,131,838.88, 4,321,864.14 and 1,842,762.76

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Solution

The fourth proportional to 3,131,838.88, 4,321,864.14 and 1,842,762.76 is: 2,542,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,838.88 : 4,321,864.14 = 1,842,762.76 : x
  2. Step 2: Convert to fraction form
    3,131,838.88/4,321,864.14 = 1,842,762.76/x
  3. Step 3: Cross multiply
    3,131,838.88x = 4,321,864.14 × 1,842,762.76
  4. Step 4: Simplify right side
    3,131,838.88x = 7,964,170,290,971.43
  5. Step 5: Solve for x
    x = 7,964,170,290,971.43/3,131,838.88
  6. Step 6: Final answer
    x = 2,542,969.35

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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.