Home / 5,377,067.20-8,065,600.80-1,590,212.80

Finding the Fourth Proportional to 5,377,067.20, 8,065,600.80 and 1,590,212.80

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Solution

The fourth proportional to 5,377,067.20, 8,065,600.80 and 1,590,212.80 is: 2,385,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,067.20 : 8,065,600.80 = 1,590,212.80 : x
  2. Step 2: Convert to fraction form
    5,377,067.20/8,065,600.80 = 1,590,212.80/x
  3. Step 3: Cross multiply
    5,377,067.20x = 8,065,600.80 × 1,590,212.80
  4. Step 4: Simplify right side
    5,377,067.20x = 12,826,021,631,850.24
  5. Step 5: Solve for x
    x = 12,826,021,631,850.24/5,377,067.20
  6. Step 6: Final answer
    x = 2,385,319.20

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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.