Home / 2,185,701.80-3,016,288.11-1,205,678.35

Finding the Fourth Proportional to 2,185,701.80, 3,016,288.11 and 1,205,678.35

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Solution

The fourth proportional to 2,185,701.80, 3,016,288.11 and 1,205,678.35 is: 1,663,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,701.80 : 3,016,288.11 = 1,205,678.35 : x
  2. Step 2: Convert to fraction form
    2,185,701.80/3,016,288.11 = 1,205,678.35/x
  3. Step 3: Cross multiply
    2,185,701.80x = 3,016,288.11 × 1,205,678.35
  4. Step 4: Simplify right side
    2,185,701.80x = 3,636,673,268,569.99
  5. Step 5: Solve for x
    x = 3,636,673,268,569.99/2,185,701.80
  6. Step 6: Final answer
    x = 1,663,846.95

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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.