Home / 5,361,385.44-7,398,786.87-2,913,995.75

Finding the Fourth Proportional to 5,361,385.44, 7,398,786.87 and 2,913,995.75

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Solution

The fourth proportional to 5,361,385.44, 7,398,786.87 and 2,913,995.75 is: 4,021,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,385.44 : 7,398,786.87 = 2,913,995.75 : x
  2. Step 2: Convert to fraction form
    5,361,385.44/7,398,786.87 = 2,913,995.75/x
  3. Step 3: Cross multiply
    5,361,385.44x = 7,398,786.87 × 2,913,995.75
  4. Step 4: Simplify right side
    5,361,385.44x = 21,560,033,512,832.77
  5. Step 5: Solve for x
    x = 21,560,033,512,832.77/5,361,385.44
  6. Step 6: Final answer
    x = 4,021,354.88

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1.5x scale

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.