Home / 2,486,942.18-3,431,955.95-1,384,356.11

Finding the Fourth Proportional to 2,486,942.18, 3,431,955.95 and 1,384,356.11

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Solution

The fourth proportional to 2,486,942.18, 3,431,955.95 and 1,384,356.11 is: 1,910,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,942.18 : 3,431,955.95 = 1,384,356.11 : x
  2. Step 2: Convert to fraction form
    2,486,942.18/3,431,955.95 = 1,384,356.11/x
  3. Step 3: Cross multiply
    2,486,942.18x = 3,431,955.95 × 1,384,356.11
  4. Step 4: Simplify right side
    2,486,942.18x = 4,751,049,183,289.01
  5. Step 5: Solve for x
    x = 4,751,049,183,289.01/2,486,942.18
  6. Step 6: Final answer
    x = 1,910,397.93

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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.