Home / 3,109,132.71-4,664,135.03-1,086,916.68

Finding the Fourth Proportional to 3,109,132.71, 4,664,135.03 and 1,086,916.68

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Solution

The fourth proportional to 3,109,132.71, 4,664,135.03 and 1,086,916.68 is: 1,630,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,132.71 : 4,664,135.03 = 1,086,916.68 : x
  2. Step 2: Convert to fraction form
    3,109,132.71/4,664,135.03 = 1,086,916.68/x
  3. Step 3: Cross multiply
    3,109,132.71x = 4,664,135.03 × 1,086,916.68
  4. Step 4: Simplify right side
    3,109,132.71x = 5,069,526,156,444.72
  5. Step 5: Solve for x
    x = 5,069,526,156,444.72/3,109,132.71
  6. Step 6: Final answer
    x = 1,630,527.43

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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.