Home / 2,161,070.64-3,241,744.20-831,374.64

Finding the Fourth Proportional to 2,161,070.64, 3,241,744.20 and 831,374.64

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Solution

The fourth proportional to 2,161,070.64, 3,241,744.20 and 831,374.64 is: 1,247,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,070.64 : 3,241,744.20 = 831,374.64 : x
  2. Step 2: Convert to fraction form
    2,161,070.64/3,241,744.20 = 831,374.64/x
  3. Step 3: Cross multiply
    2,161,070.64x = 3,241,744.20 × 831,374.64
  4. Step 4: Simplify right side
    2,161,070.64x = 2,695,103,917,247.09
  5. Step 5: Solve for x
    x = 2,695,103,917,247.09/2,161,070.64
  6. Step 6: Final answer
    x = 1,247,115.14

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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.