Home / 1,880,911.80-2,596,452.44-1,269,891.81

Finding the Fourth Proportional to 1,880,911.80, 2,596,452.44 and 1,269,891.81

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Solution

The fourth proportional to 1,880,911.80, 2,596,452.44 and 1,269,891.81 is: 1,752,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,911.80 : 2,596,452.44 = 1,269,891.81 : x
  2. Step 2: Convert to fraction form
    1,880,911.80/2,596,452.44 = 1,269,891.81/x
  3. Step 3: Cross multiply
    1,880,911.80x = 2,596,452.44 × 1,269,891.81
  4. Step 4: Simplify right side
    1,880,911.80x = 3,297,213,682,261.06
  5. Step 5: Solve for x
    x = 3,297,213,682,261.06/1,880,911.80
  6. Step 6: Final answer
    x = 1,752,986.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.