Home / 1,728,781.83-2,591,073.18-1,223,490.51

Finding the Fourth Proportional to 1,728,781.83, 2,591,073.18 and 1,223,490.51

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Solution

The fourth proportional to 1,728,781.83, 2,591,073.18 and 1,223,490.51 is: 1,833,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,781.83 : 2,591,073.18 = 1,223,490.51 : x
  2. Step 2: Convert to fraction form
    1,728,781.83/2,591,073.18 = 1,223,490.51/x
  3. Step 3: Cross multiply
    1,728,781.83x = 2,591,073.18 × 1,223,490.51
  4. Step 4: Simplify right side
    1,728,781.83x = 3,170,153,446,445.52
  5. Step 5: Solve for x
    x = 3,170,153,446,445.52/1,728,781.83
  6. Step 6: Final answer
    x = 1,833,749.86

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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.