Home / 2,211,885.74-3,312,514.20-1,262,377.82

Finding the Fourth Proportional to 2,211,885.74, 3,312,514.20 and 1,262,377.82

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Solution

The fourth proportional to 2,211,885.74, 3,312,514.20 and 1,262,377.82 is: 1,890,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,885.74 : 3,312,514.20 = 1,262,377.82 : x
  2. Step 2: Convert to fraction form
    2,211,885.74/3,312,514.20 = 1,262,377.82/x
  3. Step 3: Cross multiply
    2,211,885.74x = 3,312,514.20 × 1,262,377.82
  4. Step 4: Simplify right side
    2,211,885.74x = 4,181,644,454,515.04
  5. Step 5: Solve for x
    x = 4,181,644,454,515.04/2,211,885.74
  6. Step 6: Final answer
    x = 1,890,533.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.