Home / 2,551,492.20-3,521,257.74-1,405,778.52

Finding the Fourth Proportional to 2,551,492.20, 3,521,257.74 and 1,405,778.52

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Solution

The fourth proportional to 2,551,492.20, 3,521,257.74 and 1,405,778.52 is: 1,940,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,492.20 : 3,521,257.74 = 1,405,778.52 : x
  2. Step 2: Convert to fraction form
    2,551,492.20/3,521,257.74 = 1,405,778.52/x
  3. Step 3: Cross multiply
    2,551,492.20x = 3,521,257.74 × 1,405,778.52
  4. Step 4: Simplify right side
    2,551,492.20x = 4,950,108,494,275.75
  5. Step 5: Solve for x
    x = 4,950,108,494,275.75/2,551,492.20
  6. Step 6: Final answer
    x = 1,940,083.73

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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.