Home / 3,181,642.56-4,772,473.66-785,487.46

Finding the Fourth Proportional to 3,181,642.56, 4,772,473.66 and 785,487.46

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Solution

The fourth proportional to 3,181,642.56, 4,772,473.66 and 785,487.46 is: 1,178,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,642.56 : 4,772,473.66 = 785,487.46 : x
  2. Step 2: Convert to fraction form
    3,181,642.56/4,772,473.66 = 785,487.46/x
  3. Step 3: Cross multiply
    3,181,642.56x = 4,772,473.66 × 785,487.46
  4. Step 4: Simplify right side
    3,181,642.56x = 3,748,718,213,110.30
  5. Step 5: Solve for x
    x = 3,748,718,213,110.30/3,181,642.56
  6. Step 6: Final answer
    x = 1,178,233.61

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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.