Home / 2,079,906.40-3,120,442.80-882,402.40

Finding the Fourth Proportional to 2,079,906.40, 3,120,442.80 and 882,402.40

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Solution

The fourth proportional to 2,079,906.40, 3,120,442.80 and 882,402.40 is: 1,323,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,906.40 : 3,120,442.80 = 882,402.40 : x
  2. Step 2: Convert to fraction form
    2,079,906.40/3,120,442.80 = 882,402.40/x
  3. Step 3: Cross multiply
    2,079,906.40x = 3,120,442.80 × 882,402.40
  4. Step 4: Simplify right side
    2,079,906.40x = 2,753,486,215,782.72
  5. Step 5: Solve for x
    x = 2,753,486,215,782.72/2,079,906.40
  6. Step 6: Final answer
    x = 1,323,851.02

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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.