Home / 3,175,367.20-4,382,382.40-1,886,212.68

Finding the Fourth Proportional to 3,175,367.20, 4,382,382.40 and 1,886,212.68

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Solution

The fourth proportional to 3,175,367.20, 4,382,382.40 and 1,886,212.68 is: 2,603,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,367.20 : 4,382,382.40 = 1,886,212.68 : x
  2. Step 2: Convert to fraction form
    3,175,367.20/4,382,382.40 = 1,886,212.68/x
  3. Step 3: Cross multiply
    3,175,367.20x = 4,382,382.40 × 1,886,212.68
  4. Step 4: Simplify right side
    3,175,367.20x = 8,266,105,251,488.83
  5. Step 5: Solve for x
    x = 8,266,105,251,488.83/3,175,367.20
  6. Step 6: Final answer
    x = 2,603,196.65

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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.