Home / 2,159,911.50-3,240,392.13-664,003.50

Finding the Fourth Proportional to 2,159,911.50, 3,240,392.13 and 664,003.50

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Solution

The fourth proportional to 2,159,911.50, 3,240,392.13 and 664,003.50 is: 996,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,911.50 : 3,240,392.13 = 664,003.50 : x
  2. Step 2: Convert to fraction form
    2,159,911.50/3,240,392.13 = 664,003.50/x
  3. Step 3: Cross multiply
    2,159,911.50x = 3,240,392.13 × 664,003.50
  4. Step 4: Simplify right side
    2,159,911.50x = 2,151,631,715,692.45
  5. Step 5: Solve for x
    x = 2,151,631,715,692.45/2,159,911.50
  6. Step 6: Final answer
    x = 996,166.61

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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.