Home / 3,181,647.06-4,772,480.45-785,491.97

Finding the Fourth Proportional to 3,181,647.06, 4,772,480.45 and 785,491.97

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Solution

The fourth proportional to 3,181,647.06, 4,772,480.45 and 785,491.97 is: 1,178,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,647.06 : 4,772,480.45 = 785,491.97 : x
  2. Step 2: Convert to fraction form
    3,181,647.06/4,772,480.45 = 785,491.97/x
  3. Step 3: Cross multiply
    3,181,647.06x = 4,772,480.45 × 785,491.97
  4. Step 4: Simplify right side
    3,181,647.06x = 3,748,745,042,667.12
  5. Step 5: Solve for x
    x = 3,748,745,042,667.12/3,181,647.06
  6. Step 6: Final answer
    x = 1,178,240.38

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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.