Home / 3,181,636.47-4,772,464.52-785,481.38

Finding the Fourth Proportional to 3,181,636.47, 4,772,464.52 and 785,481.38

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Solution

The fourth proportional to 3,181,636.47, 4,772,464.52 and 785,481.38 is: 1,178,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,636.47 : 4,772,464.52 = 785,481.38 : x
  2. Step 2: Convert to fraction form
    3,181,636.47/4,772,464.52 = 785,481.38/x
  3. Step 3: Cross multiply
    3,181,636.47x = 4,772,464.52 × 785,481.38
  4. Step 4: Simplify right side
    3,181,636.47x = 3,748,681,989,380.91
  5. Step 5: Solve for x
    x = 3,748,681,989,380.91/3,181,636.47
  6. Step 6: Final answer
    x = 1,178,224.48

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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.