Home / 6,720,688.40-10,079,866.20-2,458,662.80

Finding the Fourth Proportional to 6,720,688.40, 10,079,866.20 and 2,458,662.80

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Solution

The fourth proportional to 6,720,688.40, 10,079,866.20 and 2,458,662.80 is: 3,687,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,688.40 : 10,079,866.20 = 2,458,662.80 : x
  2. Step 2: Convert to fraction form
    6,720,688.40/10,079,866.20 = 2,458,662.80/x
  3. Step 3: Cross multiply
    6,720,688.40x = 10,079,866.20 × 2,458,662.80
  4. Step 4: Simplify right side
    6,720,688.40x = 24,782,992,054,917.36
  5. Step 5: Solve for x
    x = 24,782,992,054,917.36/6,720,688.40
  6. Step 6: Final answer
    x = 3,687,567.49

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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.