Home / 1,906,217.20-2,859,325.80-1,640,496.70

Finding the Fourth Proportional to 1,906,217.20, 2,859,325.80 and 1,640,496.70

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Solution

The fourth proportional to 1,906,217.20, 2,859,325.80 and 1,640,496.70 is: 2,460,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,217.20 : 2,859,325.80 = 1,640,496.70 : x
  2. Step 2: Convert to fraction form
    1,906,217.20/2,859,325.80 = 1,640,496.70/x
  3. Step 3: Cross multiply
    1,906,217.20x = 2,859,325.80 × 1,640,496.70
  4. Step 4: Simplify right side
    1,906,217.20x = 4,690,714,539,124.86
  5. Step 5: Solve for x
    x = 4,690,714,539,124.86/1,906,217.20
  6. Step 6: Final answer
    x = 2,460,745.05

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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.