Home / 2,207,156.22-3,311,574.93-767,999.49

Finding the Fourth Proportional to 2,207,156.22, 3,311,574.93 and 767,999.49

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Solution

The fourth proportional to 2,207,156.22, 3,311,574.93 and 767,999.49 is: 1,152,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,156.22 : 3,311,574.93 = 767,999.49 : x
  2. Step 2: Convert to fraction form
    2,207,156.22/3,311,574.93 = 767,999.49/x
  3. Step 3: Cross multiply
    2,207,156.22x = 3,311,574.93 × 767,999.49
  4. Step 4: Simplify right side
    2,207,156.22x = 2,543,287,857,336.79
  5. Step 5: Solve for x
    x = 2,543,287,857,336.79/2,207,156.22
  6. Step 6: Final answer
    x = 1,152,291.73

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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.