Home / 2,186,311.42-3,017,115.10-1,219,504.33

Finding the Fourth Proportional to 2,186,311.42, 3,017,115.10 and 1,219,504.33

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Solution

The fourth proportional to 2,186,311.42, 3,017,115.10 and 1,219,504.33 is: 1,682,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,311.42 : 3,017,115.10 = 1,219,504.33 : x
  2. Step 2: Convert to fraction form
    2,186,311.42/3,017,115.10 = 1,219,504.33/x
  3. Step 3: Cross multiply
    2,186,311.42x = 3,017,115.10 × 1,219,504.33
  4. Step 4: Simplify right side
    2,186,311.42x = 3,679,384,928,558.38
  5. Step 5: Solve for x
    x = 3,679,384,928,558.38/2,186,311.42
  6. Step 6: Final answer
    x = 1,682,918.95

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1.5x scale

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.