Home / 3,131,681.28-4,696,369.66-1,081,820.35

Finding the Fourth Proportional to 3,131,681.28, 4,696,369.66 and 1,081,820.35

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Solution

The fourth proportional to 3,131,681.28, 4,696,369.66 and 1,081,820.35 is: 1,622,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,681.28 : 4,696,369.66 = 1,081,820.35 : x
  2. Step 2: Convert to fraction form
    3,131,681.28/4,696,369.66 = 1,081,820.35/x
  3. Step 3: Cross multiply
    3,131,681.28x = 4,696,369.66 × 1,081,820.35
  4. Step 4: Simplify right side
    3,131,681.28x = 5,080,628,269,310.58
  5. Step 5: Solve for x
    x = 5,080,628,269,310.58/3,131,681.28
  6. Step 6: Final answer
    x = 1,622,332.48

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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.