Home / 1,617,100.41-2,231,609.09-891,967.71

Finding the Fourth Proportional to 1,617,100.41, 2,231,609.09 and 891,967.71

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Solution

The fourth proportional to 1,617,100.41, 2,231,609.09 and 891,967.71 is: 1,230,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,100.41 : 2,231,609.09 = 891,967.71 : x
  2. Step 2: Convert to fraction form
    1,617,100.41/2,231,609.09 = 891,967.71/x
  3. Step 3: Cross multiply
    1,617,100.41x = 2,231,609.09 × 891,967.71
  4. Step 4: Simplify right side
    1,617,100.41x = 1,990,523,245,162.65
  5. Step 5: Solve for x
    x = 1,990,523,245,162.65/1,617,100.41
  6. Step 6: Final answer
    x = 1,230,921.24

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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.