Home / 3,405,542.86-4,699,680.87-1,877,704.30

Finding the Fourth Proportional to 3,405,542.86, 4,699,680.87 and 1,877,704.30

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Solution

The fourth proportional to 3,405,542.86, 4,699,680.87 and 1,877,704.30 is: 2,591,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,542.86 : 4,699,680.87 = 1,877,704.30 : x
  2. Step 2: Convert to fraction form
    3,405,542.86/4,699,680.87 = 1,877,704.30/x
  3. Step 3: Cross multiply
    3,405,542.86x = 4,699,680.87 × 1,877,704.30
  4. Step 4: Simplify right side
    3,405,542.86x = 8,824,610,978,226.74
  5. Step 5: Solve for x
    x = 8,824,610,978,226.74/3,405,542.86
  6. Step 6: Final answer
    x = 2,591,249.43

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1.5x scale

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.