Home / 3,830,633.69-5,286,315.38-2,111,815.71

Finding the Fourth Proportional to 3,830,633.69, 5,286,315.38 and 2,111,815.71

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Solution

The fourth proportional to 3,830,633.69, 5,286,315.38 and 2,111,815.71 is: 2,914,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,633.69 : 5,286,315.38 = 2,111,815.71 : x
  2. Step 2: Convert to fraction form
    3,830,633.69/5,286,315.38 = 2,111,815.71/x
  3. Step 3: Cross multiply
    3,830,633.69x = 5,286,315.38 × 2,111,815.71
  4. Step 4: Simplify right side
    3,830,633.69x = 11,163,723,867,498.62
  5. Step 5: Solve for x
    x = 11,163,723,867,498.62/3,830,633.69
  6. Step 6: Final answer
    x = 2,914,328.22

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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.