Home / 2,907,974.65-4,359,942.03-1,287,860.64

Finding the Fourth Proportional to 2,907,974.65, 4,359,942.03 and 1,287,860.64

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Solution

The fourth proportional to 2,907,974.65, 4,359,942.03 and 1,287,860.64 is: 1,930,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,974.65 : 4,359,942.03 = 1,287,860.64 : x
  2. Step 2: Convert to fraction form
    2,907,974.65/4,359,942.03 = 1,287,860.64/x
  3. Step 3: Cross multiply
    2,907,974.65x = 4,359,942.03 × 1,287,860.64
  4. Step 4: Simplify right side
    2,907,974.65x = 5,614,997,754,297.96
  5. Step 5: Solve for x
    x = 5,614,997,754,297.96/2,907,974.65
  6. Step 6: Final answer
    x = 1,930,896.39

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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.