Home / 1,922,119.45-2,653,078.31-1,269,222.13

Finding the Fourth Proportional to 1,922,119.45, 2,653,078.31 and 1,269,222.13

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Solution

The fourth proportional to 1,922,119.45, 2,653,078.31 and 1,269,222.13 is: 1,751,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,119.45 : 2,653,078.31 = 1,269,222.13 : x
  2. Step 2: Convert to fraction form
    1,922,119.45/2,653,078.31 = 1,269,222.13/x
  3. Step 3: Cross multiply
    1,922,119.45x = 2,653,078.31 × 1,269,222.13
  4. Step 4: Simplify right side
    1,922,119.45x = 3,367,345,703,675
  5. Step 5: Solve for x
    x = 3,367,345,703,675/1,922,119.45
  6. Step 6: Final answer
    x = 1,751,892.01

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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.