Home / 2,100,857.69-3,152,080.76-822,378.87

Finding the Fourth Proportional to 2,100,857.69, 3,152,080.76 and 822,378.87

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Solution

The fourth proportional to 2,100,857.69, 3,152,080.76 and 822,378.87 is: 1,233,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,857.69 : 3,152,080.76 = 822,378.87 : x
  2. Step 2: Convert to fraction form
    2,100,857.69/3,152,080.76 = 822,378.87/x
  3. Step 3: Cross multiply
    2,100,857.69x = 3,152,080.76 × 822,378.87
  4. Step 4: Simplify right side
    2,100,857.69x = 2,592,204,609,445.65
  5. Step 5: Solve for x
    x = 2,592,204,609,445.65/2,100,857.69
  6. Step 6: Final answer
    x = 1,233,879.20

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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.