Home / 3,879,385.92-5,353,550.64-2,248,738.20

Finding the Fourth Proportional to 3,879,385.92, 5,353,550.64 and 2,248,738.20

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Solution

The fourth proportional to 3,879,385.92, 5,353,550.64 and 2,248,738.20 is: 3,103,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,385.92 : 5,353,550.64 = 2,248,738.20 : x
  2. Step 2: Convert to fraction form
    3,879,385.92/5,353,550.64 = 2,248,738.20/x
  3. Step 3: Cross multiply
    3,879,385.92x = 5,353,550.64 × 2,248,738.20
  4. Step 4: Simplify right side
    3,879,385.92x = 12,038,733,829,802.45
  5. Step 5: Solve for x
    x = 12,038,733,829,802.45/3,879,385.92
  6. Step 6: Final answer
    x = 3,103,257.60

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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.