Home / 2,165,640.45-3,247,339.29-1,154,490.81

Finding the Fourth Proportional to 2,165,640.45, 3,247,339.29 and 1,154,490.81

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Solution

The fourth proportional to 2,165,640.45, 3,247,339.29 and 1,154,490.81 is: 1,731,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,640.45 : 3,247,339.29 = 1,154,490.81 : x
  2. Step 2: Convert to fraction form
    2,165,640.45/3,247,339.29 = 1,154,490.81/x
  3. Step 3: Cross multiply
    2,165,640.45x = 3,247,339.29 × 1,154,490.81
  4. Step 4: Simplify right side
    2,165,640.45x = 3,749,023,367,256.93
  5. Step 5: Solve for x
    x = 3,749,023,367,256.93/2,165,640.45
  6. Step 6: Final answer
    x = 1,731,138.41

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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.