Home / 2,982,489.86-4,115,835.78-1,624,362.86

Finding the Fourth Proportional to 2,982,489.86, 4,115,835.78 and 1,624,362.86

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Solution

The fourth proportional to 2,982,489.86, 4,115,835.78 and 1,624,362.86 is: 2,241,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,489.86 : 4,115,835.78 = 1,624,362.86 : x
  2. Step 2: Convert to fraction form
    2,982,489.86/4,115,835.78 = 1,624,362.86/x
  3. Step 3: Cross multiply
    2,982,489.86x = 4,115,835.78 × 1,624,362.86
  4. Step 4: Simplify right side
    2,982,489.86x = 6,685,610,778,891.13
  5. Step 5: Solve for x
    x = 6,685,610,778,891.13/2,982,489.86
  6. Step 6: Final answer
    x = 2,241,620.62

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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.