Home / 3,178,076.76-4,385,795.85-1,727,777.75

Finding the Fourth Proportional to 3,178,076.76, 4,385,795.85 and 1,727,777.75

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Solution

The fourth proportional to 3,178,076.76, 4,385,795.85 and 1,727,777.75 is: 2,384,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,076.76 : 4,385,795.85 = 1,727,777.75 : x
  2. Step 2: Convert to fraction form
    3,178,076.76/4,385,795.85 = 1,727,777.75/x
  3. Step 3: Cross multiply
    3,178,076.76x = 4,385,795.85 × 1,727,777.75
  4. Step 4: Simplify right side
    3,178,076.76x = 7,577,680,463,743.36
  5. Step 5: Solve for x
    x = 7,577,680,463,743.36/3,178,076.76
  6. Step 6: Final answer
    x = 2,384,360.43

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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.