Home / 2,792,705.88-3,856,206.78-2,276,540.76

Finding the Fourth Proportional to 2,792,705.88, 3,856,206.78 and 2,276,540.76

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Solution

The fourth proportional to 2,792,705.88, 3,856,206.78 and 2,276,540.76 is: 3,143,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,705.88 : 3,856,206.78 = 2,276,540.76 : x
  2. Step 2: Convert to fraction form
    2,792,705.88/3,856,206.78 = 2,276,540.76/x
  3. Step 3: Cross multiply
    2,792,705.88x = 3,856,206.78 × 2,276,540.76
  4. Step 4: Simplify right side
    2,792,705.88x = 8,778,811,913,658.35
  5. Step 5: Solve for x
    x = 8,778,811,913,658.35/2,792,705.88
  6. Step 6: Final answer
    x = 3,143,478.87

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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.