Home / 3,689,522.86-5,091,322.32-2,140,664.54

Finding the Fourth Proportional to 3,689,522.86, 5,091,322.32 and 2,140,664.54

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Solution

The fourth proportional to 3,689,522.86, 5,091,322.32 and 2,140,664.54 is: 2,953,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,522.86 : 5,091,322.32 = 2,140,664.54 : x
  2. Step 2: Convert to fraction form
    3,689,522.86/5,091,322.32 = 2,140,664.54/x
  3. Step 3: Cross multiply
    3,689,522.86x = 5,091,322.32 × 2,140,664.54
  4. Step 4: Simplify right side
    3,689,522.86x = 10,898,813,152,134.53
  5. Step 5: Solve for x
    x = 10,898,813,152,134.53/3,689,522.86
  6. Step 6: Final answer
    x = 2,953,989.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.