Home / 2,784,521.90-4,176,786.44-762,783.57

Finding the Fourth Proportional to 2,784,521.90, 4,176,786.44 and 762,783.57

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Solution

The fourth proportional to 2,784,521.90, 4,176,786.44 and 762,783.57 is: 1,144,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,521.90 : 4,176,786.44 = 762,783.57 : x
  2. Step 2: Convert to fraction form
    2,784,521.90/4,176,786.44 = 762,783.57/x
  3. Step 3: Cross multiply
    2,784,521.90x = 4,176,786.44 × 762,783.57
  4. Step 4: Simplify right side
    2,784,521.90x = 3,185,984,068,016.87
  5. Step 5: Solve for x
    x = 3,185,984,068,016.87/2,784,521.90
  6. Step 6: Final answer
    x = 1,144,176.34

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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.