Home / 3,618,543.83-4,993,363.39-1,986,939.77

Finding the Fourth Proportional to 3,618,543.83, 4,993,363.39 and 1,986,939.77

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Solution

The fourth proportional to 3,618,543.83, 4,993,363.39 and 1,986,939.77 is: 2,741,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,543.83 : 4,993,363.39 = 1,986,939.77 : x
  2. Step 2: Convert to fraction form
    3,618,543.83/4,993,363.39 = 1,986,939.77/x
  3. Step 3: Cross multiply
    3,618,543.83x = 4,993,363.39 × 1,986,939.77
  4. Step 4: Simplify right side
    3,618,543.83x = 9,921,512,305,653.02
  5. Step 5: Solve for x
    x = 9,921,512,305,653.02/3,618,543.83
  6. Step 6: Final answer
    x = 2,741,852.18

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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.