Home / 4,263,980.50-6,396,400.86-1,385,227.54

Finding the Fourth Proportional to 4,263,980.50, 6,396,400.86 and 1,385,227.54

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Solution

The fourth proportional to 4,263,980.50, 6,396,400.86 and 1,385,227.54 is: 2,077,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263,980.50 : 6,396,400.86 = 1,385,227.54 : x
  2. Step 2: Convert to fraction form
    4,263,980.50/6,396,400.86 = 1,385,227.54/x
  3. Step 3: Cross multiply
    4,263,980.50x = 6,396,400.86 × 1,385,227.54
  4. Step 4: Simplify right side
    4,263,980.50x = 8,860,470,628,151.69
  5. Step 5: Solve for x
    x = 8,860,470,628,151.69/4,263,980.50
  6. Step 6: Final answer
    x = 2,077,981.04

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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.