Home / 3,219,720.77-4,443,122.09-1,769,414.46

Finding the Fourth Proportional to 3,219,720.77, 4,443,122.09 and 1,769,414.46

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Solution

The fourth proportional to 3,219,720.77, 4,443,122.09 and 1,769,414.46 is: 2,441,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,720.77 : 4,443,122.09 = 1,769,414.46 : x
  2. Step 2: Convert to fraction form
    3,219,720.77/4,443,122.09 = 1,769,414.46/x
  3. Step 3: Cross multiply
    3,219,720.77x = 4,443,122.09 × 1,769,414.46
  4. Step 4: Simplify right side
    3,219,720.77x = 7,861,724,473,591.42
  5. Step 5: Solve for x
    x = 7,861,724,473,591.42/3,219,720.77
  6. Step 6: Final answer
    x = 2,441,741.08

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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.