Home / 1,900,321.65-2,622,704.77-1,165,145.87

Finding the Fourth Proportional to 1,900,321.65, 2,622,704.77 and 1,165,145.87

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Solution

The fourth proportional to 1,900,321.65, 2,622,704.77 and 1,165,145.87 is: 1,608,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,321.65 : 2,622,704.77 = 1,165,145.87 : x
  2. Step 2: Convert to fraction form
    1,900,321.65/2,622,704.77 = 1,165,145.87/x
  3. Step 3: Cross multiply
    1,900,321.65x = 2,622,704.77 × 1,165,145.87
  4. Step 4: Simplify right side
    1,900,321.65x = 3,055,833,639,007.99
  5. Step 5: Solve for x
    x = 3,055,833,639,007.99/1,900,321.65
  6. Step 6: Final answer
    x = 1,608,061.27

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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.