Home / 3,162,198.07-4,371,187.98-2,821,411.63

Finding the Fourth Proportional to 3,162,198.07, 4,371,187.98 and 2,821,411.63

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Solution

The fourth proportional to 3,162,198.07, 4,371,187.98 and 2,821,411.63 is: 3,900,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,198.07 : 4,371,187.98 = 2,821,411.63 : x
  2. Step 2: Convert to fraction form
    3,162,198.07/4,371,187.98 = 2,821,411.63/x
  3. Step 3: Cross multiply
    3,162,198.07x = 4,371,187.98 × 2,821,411.63
  4. Step 4: Simplify right side
    3,162,198.07x = 12,332,920,603,688.21
  5. Step 5: Solve for x
    x = 12,332,920,603,688.21/3,162,198.07
  6. Step 6: Final answer
    x = 3,900,110.09

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Double scale
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1.5x scale

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.