Home / 3,181,644.56-4,772,476.66-785,489.46

Finding the Fourth Proportional to 3,181,644.56, 4,772,476.66 and 785,489.46

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Solution

The fourth proportional to 3,181,644.56, 4,772,476.66 and 785,489.46 is: 1,178,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,644.56 : 4,772,476.66 = 785,489.46 : x
  2. Step 2: Convert to fraction form
    3,181,644.56/4,772,476.66 = 785,489.46/x
  3. Step 3: Cross multiply
    3,181,644.56x = 4,772,476.66 × 785,489.46
  4. Step 4: Simplify right side
    3,181,644.56x = 3,748,730,114,526.00
  5. Step 5: Solve for x
    x = 3,748,730,114,526.00/3,181,644.56
  6. Step 6: Final answer
    x = 1,178,236.61

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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.