Home / 5,149,338.40-7,106,419.82-2,857,499.08

Finding the Fourth Proportional to 5,149,338.40, 7,106,419.82 and 2,857,499.08

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Solution

The fourth proportional to 5,149,338.40, 7,106,419.82 and 2,857,499.08 is: 3,943,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,338.40 : 7,106,419.82 = 2,857,499.08 : x
  2. Step 2: Convert to fraction form
    5,149,338.40/7,106,419.82 = 2,857,499.08/x
  3. Step 3: Cross multiply
    5,149,338.40x = 7,106,419.82 × 2,857,499.08
  4. Step 4: Simplify right side
    5,149,338.40x = 20,306,588,097,743.77
  5. Step 5: Solve for x
    x = 20,306,588,097,743.77/5,149,338.40
  6. Step 6: Final answer
    x = 3,943,533.43

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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.