Home / 3,783,853.22-5,672,404.80-1,387,138.28

Finding the Fourth Proportional to 3,783,853.22, 5,672,404.80 and 1,387,138.28

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Solution

The fourth proportional to 3,783,853.22, 5,672,404.80 and 1,387,138.28 is: 2,079,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,853.22 : 5,672,404.80 = 1,387,138.28 : x
  2. Step 2: Convert to fraction form
    3,783,853.22/5,672,404.80 = 1,387,138.28/x
  3. Step 3: Cross multiply
    3,783,853.22x = 5,672,404.80 × 1,387,138.28
  4. Step 4: Simplify right side
    3,783,853.22x = 7,868,409,809,373.72
  5. Step 5: Solve for x
    x = 7,868,409,809,373.72/3,783,853.22
  6. Step 6: Final answer
    x = 2,079,470.15

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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.