Home / 2,852,688.76-4,279,230.04-830,949.48

Finding the Fourth Proportional to 2,852,688.76, 4,279,230.04 and 830,949.48

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Solution

The fourth proportional to 2,852,688.76, 4,279,230.04 and 830,949.48 is: 1,246,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852,688.76 : 4,279,230.04 = 830,949.48 : x
  2. Step 2: Convert to fraction form
    2,852,688.76/4,279,230.04 = 830,949.48/x
  3. Step 3: Cross multiply
    2,852,688.76x = 4,279,230.04 × 830,949.48
  4. Step 4: Simplify right side
    2,852,688.76x = 3,555,823,976,538.38
  5. Step 5: Solve for x
    x = 3,555,823,976,538.38/2,852,688.76
  6. Step 6: Final answer
    x = 1,246,481.57

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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.