Home / 2,186,184.96-3,016,961.28-1,219,399.20

Finding the Fourth Proportional to 2,186,184.96, 3,016,961.28 and 1,219,399.20

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Solution

The fourth proportional to 2,186,184.96, 3,016,961.28 and 1,219,399.20 is: 1,682,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,184.96 : 3,016,961.28 = 1,219,399.20 : x
  2. Step 2: Convert to fraction form
    2,186,184.96/3,016,961.28 = 1,219,399.20/x
  3. Step 3: Cross multiply
    2,186,184.96x = 3,016,961.28 × 1,219,399.20
  4. Step 4: Simplify right side
    2,186,184.96x = 3,678,880,171,262.98
  5. Step 5: Solve for x
    x = 3,678,880,171,262.98/2,186,184.96
  6. Step 6: Final answer
    x = 1,682,785.42

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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.