Home / 3,188,499.86-4,400,100.93-1,757,715.86

Finding the Fourth Proportional to 3,188,499.86, 4,400,100.93 and 1,757,715.86

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Solution

The fourth proportional to 3,188,499.86, 4,400,100.93 and 1,757,715.86 is: 2,425,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,499.86 : 4,400,100.93 = 1,757,715.86 : x
  2. Step 2: Convert to fraction form
    3,188,499.86/4,400,100.93 = 1,757,715.86/x
  3. Step 3: Cross multiply
    3,188,499.86x = 4,400,100.93 × 1,757,715.86
  4. Step 4: Simplify right side
    3,188,499.86x = 7,734,127,190,261.75
  5. Step 5: Solve for x
    x = 7,734,127,190,261.75/3,188,499.86
  6. Step 6: Final answer
    x = 2,425,631.97

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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.