Home / 4,951,221.70-7,417,975.20-4,189,489.60

Finding the Fourth Proportional to 4,951,221.70, 7,417,975.20 and 4,189,489.60

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Solution

The fourth proportional to 4,951,221.70, 7,417,975.20 and 4,189,489.60 is: 6,276,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951,221.70 : 7,417,975.20 = 4,189,489.60 : x
  2. Step 2: Convert to fraction form
    4,951,221.70/7,417,975.20 = 4,189,489.60/x
  3. Step 3: Cross multiply
    4,951,221.70x = 7,417,975.20 × 4,189,489.60
  4. Step 4: Simplify right side
    4,951,221.70x = 31,077,529,953,457.92
  5. Step 5: Solve for x
    x = 31,077,529,953,457.92/4,951,221.70
  6. Step 6: Final answer
    x = 6,276,739.73

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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.