Home / 2,115,578.46-2,918,777.31-1,352,072.46

Finding the Fourth Proportional to 2,115,578.46, 2,918,777.31 and 1,352,072.46

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Solution

The fourth proportional to 2,115,578.46, 2,918,777.31 and 1,352,072.46 is: 1,865,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,578.46 : 2,918,777.31 = 1,352,072.46 : x
  2. Step 2: Convert to fraction form
    2,115,578.46/2,918,777.31 = 1,352,072.46/x
  3. Step 3: Cross multiply
    2,115,578.46x = 2,918,777.31 × 1,352,072.46
  4. Step 4: Simplify right side
    2,115,578.46x = 3,946,398,417,723.88
  5. Step 5: Solve for x
    x = 3,946,398,417,723.88/2,115,578.46
  6. Step 6: Final answer
    x = 1,865,399.22

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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.