Home / 2,065,309.82-3,099,178.31-867,140

Finding the Fourth Proportional to 2,065,309.82, 3,099,178.31 and 867,140

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Solution

The fourth proportional to 2,065,309.82, 3,099,178.31 and 867,140 is: 1,301,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,309.82 : 3,099,178.31 = 867,140 : x
  2. Step 2: Convert to fraction form
    2,065,309.82/3,099,178.31 = 867,140/x
  3. Step 3: Cross multiply
    2,065,309.82x = 3,099,178.31 × 867,140
  4. Step 4: Simplify right side
    2,065,309.82x = 2,687,421,479,733.40
  5. Step 5: Solve for x
    x = 2,687,421,479,733.40/2,065,309.82
  6. Step 6: Final answer
    x = 1,301,219.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.