Home / 3,195,404.64-4,409,688.24-1,818,680.80

Finding the Fourth Proportional to 3,195,404.64, 4,409,688.24 and 1,818,680.80

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Solution

The fourth proportional to 3,195,404.64, 4,409,688.24 and 1,818,680.80 is: 2,509,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,404.64 : 4,409,688.24 = 1,818,680.80 : x
  2. Step 2: Convert to fraction form
    3,195,404.64/4,409,688.24 = 1,818,680.80/x
  3. Step 3: Cross multiply
    3,195,404.64x = 4,409,688.24 × 1,818,680.80
  4. Step 4: Simplify right side
    3,195,404.64x = 8,019,815,336,073.79
  5. Step 5: Solve for x
    x = 8,019,815,336,073.79/3,195,404.64
  6. Step 6: Final answer
    x = 2,509,796.49

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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.