Home / 2,157,585.66-3,235,536.50-809,012.61

Finding the Fourth Proportional to 2,157,585.66, 3,235,536.50 and 809,012.61

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Solution

The fourth proportional to 2,157,585.66, 3,235,536.50 and 809,012.61 is: 1,213,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,585.66 : 3,235,536.50 = 809,012.61 : x
  2. Step 2: Convert to fraction form
    2,157,585.66/3,235,536.50 = 809,012.61/x
  3. Step 3: Cross multiply
    2,157,585.66x = 3,235,536.50 × 809,012.61
  4. Step 4: Simplify right side
    2,157,585.66x = 2,617,589,824,570.20
  5. Step 5: Solve for x
    x = 2,617,589,824,570.20/2,157,585.66
  6. Step 6: Final answer
    x = 1,213,203.20

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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.