Home / 2,111,134.79-3,165,502.44-831,049.06

Finding the Fourth Proportional to 2,111,134.79, 3,165,502.44 and 831,049.06

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Solution

The fourth proportional to 2,111,134.79, 3,165,502.44 and 831,049.06 is: 1,246,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,134.79 : 3,165,502.44 = 831,049.06 : x
  2. Step 2: Convert to fraction form
    2,111,134.79/3,165,502.44 = 831,049.06/x
  3. Step 3: Cross multiply
    2,111,134.79x = 3,165,502.44 × 831,049.06
  4. Step 4: Simplify right side
    2,111,134.79x = 2,630,687,834,263.02
  5. Step 5: Solve for x
    x = 2,630,687,834,263.02/2,111,134.79
  6. Step 6: Final answer
    x = 1,246,101.31

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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.