Home / 2,140,063.22-3,209,161.62-809,434.10

Finding the Fourth Proportional to 2,140,063.22, 3,209,161.62 and 809,434.10

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Solution

The fourth proportional to 2,140,063.22, 3,209,161.62 and 809,434.10 is: 1,213,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,063.22 : 3,209,161.62 = 809,434.10 : x
  2. Step 2: Convert to fraction form
    2,140,063.22/3,209,161.62 = 809,434.10/x
  3. Step 3: Cross multiply
    2,140,063.22x = 3,209,161.62 × 809,434.10
  4. Step 4: Simplify right side
    2,140,063.22x = 2,597,604,847,639.24
  5. Step 5: Solve for x
    x = 2,597,604,847,639.24/2,140,063.22
  6. Step 6: Final answer
    x = 1,213,798.18

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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.