Home / 1,695,523.69-2,338,468.89-1,115,342.66

Finding the Fourth Proportional to 1,695,523.69, 2,338,468.89 and 1,115,342.66

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Solution

The fourth proportional to 1,695,523.69, 2,338,468.89 and 1,115,342.66 is: 1,538,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,523.69 : 2,338,468.89 = 1,115,342.66 : x
  2. Step 2: Convert to fraction form
    1,695,523.69/2,338,468.89 = 1,115,342.66/x
  3. Step 3: Cross multiply
    1,695,523.69x = 2,338,468.89 × 1,115,342.66
  4. Step 4: Simplify right side
    1,695,523.69x = 2,608,194,113,763.49
  5. Step 5: Solve for x
    x = 2,608,194,113,763.49/1,695,523.69
  6. Step 6: Final answer
    x = 1,538,282.32

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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.