Home / 2,140,699.08-3,208,800.88-720,262.04

Finding the Fourth Proportional to 2,140,699.08, 3,208,800.88 and 720,262.04

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Solution

The fourth proportional to 2,140,699.08, 3,208,800.88 and 720,262.04 is: 1,079,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,699.08 : 3,208,800.88 = 720,262.04 : x
  2. Step 2: Convert to fraction form
    2,140,699.08/3,208,800.88 = 720,262.04/x
  3. Step 3: Cross multiply
    2,140,699.08x = 3,208,800.88 × 720,262.04
  4. Step 4: Simplify right side
    2,140,699.08x = 2,311,177,467,782.60
  5. Step 5: Solve for x
    x = 2,311,177,467,782.60/2,140,699.08
  6. Step 6: Final answer
    x = 1,079,636.78

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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.