Home / 3,958,879.20-5,463,316.80-2,148,043.20

Finding the Fourth Proportional to 3,958,879.20, 5,463,316.80 and 2,148,043.20

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Solution

The fourth proportional to 3,958,879.20, 5,463,316.80 and 2,148,043.20 is: 2,964,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,879.20 : 5,463,316.80 = 2,148,043.20 : x
  2. Step 2: Convert to fraction form
    3,958,879.20/5,463,316.80 = 2,148,043.20/x
  3. Step 3: Cross multiply
    3,958,879.20x = 5,463,316.80 × 2,148,043.20
  4. Step 4: Simplify right side
    3,958,879.20x = 11,735,440,501,685.76
  5. Step 5: Solve for x
    x = 11,735,440,501,685.76/3,958,879.20
  6. Step 6: Final answer
    x = 2,964,334.07

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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.