Home / 2,847,929-4,272,593.37-853,385

Finding the Fourth Proportional to 2,847,929, 4,272,593.37 and 853,385

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Solution

The fourth proportional to 2,847,929, 4,272,593.37 and 853,385 is: 1,280,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,929 : 4,272,593.37 = 853,385 : x
  2. Step 2: Convert to fraction form
    2,847,929/4,272,593.37 = 853,385/x
  3. Step 3: Cross multiply
    2,847,929x = 4,272,593.37 × 853,385
  4. Step 4: Simplify right side
    2,847,929x = 3,646,167,093,057.45
  5. Step 5: Solve for x
    x = 3,646,167,093,057.45/2,847,929
  6. Step 6: Final answer
    x = 1,280,287.22

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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.