Home / 2,185,867.63-3,016,491.46-1,218,998.98

Finding the Fourth Proportional to 2,185,867.63, 3,016,491.46 and 1,218,998.98

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Solution

The fourth proportional to 2,185,867.63, 3,016,491.46 and 1,218,998.98 is: 1,682,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,867.63 : 3,016,491.46 = 1,218,998.98 : x
  2. Step 2: Convert to fraction form
    2,185,867.63/3,016,491.46 = 1,218,998.98/x
  3. Step 3: Cross multiply
    2,185,867.63x = 3,016,491.46 × 1,218,998.98
  4. Step 4: Simplify right side
    2,185,867.63x = 3,677,100,012,918.71
  5. Step 5: Solve for x
    x = 3,677,100,012,918.71/2,185,867.63
  6. Step 6: Final answer
    x = 1,682,215.32

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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.