Home / 2,185,703.31-3,016,290.19-1,205,679.85

Finding the Fourth Proportional to 2,185,703.31, 3,016,290.19 and 1,205,679.85

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Solution

The fourth proportional to 2,185,703.31, 3,016,290.19 and 1,205,679.85 is: 1,663,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,703.31 : 3,016,290.19 = 1,205,679.85 : x
  2. Step 2: Convert to fraction form
    2,185,703.31/3,016,290.19 = 1,205,679.85/x
  3. Step 3: Cross multiply
    2,185,703.31x = 3,016,290.19 × 1,205,679.85
  4. Step 4: Simplify right side
    2,185,703.31x = 3,636,680,303,835.67
  5. Step 5: Solve for x
    x = 3,636,680,303,835.67/2,185,703.31
  6. Step 6: Final answer
    x = 1,663,849.02

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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.