Home / 3,181,650.56-4,772,485.70-785,495.47

Finding the Fourth Proportional to 3,181,650.56, 4,772,485.70 and 785,495.47

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Solution

The fourth proportional to 3,181,650.56, 4,772,485.70 and 785,495.47 is: 1,178,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,650.56 : 4,772,485.70 = 785,495.47 : x
  2. Step 2: Convert to fraction form
    3,181,650.56/4,772,485.70 = 785,495.47/x
  3. Step 3: Cross multiply
    3,181,650.56x = 4,772,485.70 × 785,495.47
  4. Step 4: Simplify right side
    3,181,650.56x = 3,748,765,897,989.78
  5. Step 5: Solve for x
    x = 3,748,765,897,989.78/3,181,650.56
  6. Step 6: Final answer
    x = 1,178,245.64

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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.