Home / 3,783,792.25-5,672,313.55-1,387,077.36

Finding the Fourth Proportional to 3,783,792.25, 5,672,313.55 and 1,387,077.36

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Solution

The fourth proportional to 3,783,792.25, 5,672,313.55 and 1,387,077.36 is: 2,079,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,792.25 : 5,672,313.55 = 1,387,077.36 : x
  2. Step 2: Convert to fraction form
    3,783,792.25/5,672,313.55 = 1,387,077.36/x
  3. Step 3: Cross multiply
    3,783,792.25x = 5,672,313.55 × 1,387,077.36
  4. Step 4: Simplify right side
    3,783,792.25x = 7,867,937,704,026.23
  5. Step 5: Solve for x
    x = 7,867,937,704,026.23/3,783,792.25
  6. Step 6: Final answer
    x = 2,079,378.88

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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.