Home / 5,285,326.86-7,929,171.66-1,691,309.58

Finding the Fourth Proportional to 5,285,326.86, 7,929,171.66 and 1,691,309.58

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Solution

The fourth proportional to 5,285,326.86, 7,929,171.66 and 1,691,309.58 is: 2,537,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,326.86 : 7,929,171.66 = 1,691,309.58 : x
  2. Step 2: Convert to fraction form
    5,285,326.86/7,929,171.66 = 1,691,309.58/x
  3. Step 3: Cross multiply
    5,285,326.86x = 7,929,171.66 × 1,691,309.58
  4. Step 4: Simplify right side
    5,285,326.86x = 13,410,683,990,022.50
  5. Step 5: Solve for x
    x = 13,410,683,990,022.50/5,285,326.86
  6. Step 6: Final answer
    x = 2,537,342.41

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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.