Home / 2,147,101.26-2,963,005.86-1,229,344.47

Finding the Fourth Proportional to 2,147,101.26, 2,963,005.86 and 1,229,344.47

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Solution

The fourth proportional to 2,147,101.26, 2,963,005.86 and 1,229,344.47 is: 1,696,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,101.26 : 2,963,005.86 = 1,229,344.47 : x
  2. Step 2: Convert to fraction form
    2,147,101.26/2,963,005.86 = 1,229,344.47/x
  3. Step 3: Cross multiply
    2,147,101.26x = 2,963,005.86 × 1,229,344.47
  4. Step 4: Simplify right side
    2,147,101.26x = 3,642,554,868,568.59
  5. Step 5: Solve for x
    x = 3,642,554,868,568.59/2,147,101.26
  6. Step 6: Final answer
    x = 1,696,498.87

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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.