Home / 5,276,400.20-7,889,717.10-3,932,707.40

Finding the Fourth Proportional to 5,276,400.20, 7,889,717.10 and 3,932,707.40

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Solution

The fourth proportional to 5,276,400.20, 7,889,717.10 and 3,932,707.40 is: 5,880,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,400.20 : 7,889,717.10 = 3,932,707.40 : x
  2. Step 2: Convert to fraction form
    5,276,400.20/7,889,717.10 = 3,932,707.40/x
  3. Step 3: Cross multiply
    5,276,400.20x = 7,889,717.10 × 3,932,707.40
  4. Step 4: Simplify right side
    5,276,400.20x = 31,027,948,823,076.54
  5. Step 5: Solve for x
    x = 31,027,948,823,076.54/5,276,400.20
  6. Step 6: Final answer
    x = 5,880,514.68

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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.