Home / 5,649,541.21-7,789,049.10-3,659,135.50

Finding the Fourth Proportional to 5,649,541.21, 7,789,049.10 and 3,659,135.50

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Solution

The fourth proportional to 5,649,541.21, 7,789,049.10 and 3,659,135.50 is: 5,044,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649,541.21 : 7,789,049.10 = 3,659,135.50 : x
  2. Step 2: Convert to fraction form
    5,649,541.21/7,789,049.10 = 3,659,135.50/x
  3. Step 3: Cross multiply
    5,649,541.21x = 7,789,049.10 × 3,659,135.50
  4. Step 4: Simplify right side
    5,649,541.21x = 28,501,186,073,053.05
  5. Step 5: Solve for x
    x = 28,501,186,073,053.05/5,649,541.21
  6. Step 6: Final answer
    x = 5,044,867.36

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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.