Home / 2,111,166.39-2,913,338.75-1,251,216.12

Finding the Fourth Proportional to 2,111,166.39, 2,913,338.75 and 1,251,216.12

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Solution

The fourth proportional to 2,111,166.39, 2,913,338.75 and 1,251,216.12 is: 1,726,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,166.39 : 2,913,338.75 = 1,251,216.12 : x
  2. Step 2: Convert to fraction form
    2,111,166.39/2,913,338.75 = 1,251,216.12/x
  3. Step 3: Cross multiply
    2,111,166.39x = 2,913,338.75 × 1,251,216.12
  4. Step 4: Simplify right side
    2,111,166.39x = 3,645,216,407,020.65
  5. Step 5: Solve for x
    x = 3,645,216,407,020.65/2,111,166.39
  6. Step 6: Final answer
    x = 1,726,636.24

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Double scale
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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.