Home / 3,181,644.19-4,772,476.08-785,489.08

Finding the Fourth Proportional to 3,181,644.19, 4,772,476.08 and 785,489.08

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Solution

The fourth proportional to 3,181,644.19, 4,772,476.08 and 785,489.08 is: 1,178,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,644.19 : 4,772,476.08 = 785,489.08 : x
  2. Step 2: Convert to fraction form
    3,181,644.19/4,772,476.08 = 785,489.08/x
  3. Step 3: Cross multiply
    3,181,644.19x = 4,772,476.08 × 785,489.08
  4. Step 4: Simplify right side
    3,181,644.19x = 3,748,727,845,401.21
  5. Step 5: Solve for x
    x = 3,748,727,845,401.21/3,181,644.19
  6. Step 6: Final answer
    x = 1,178,236.04

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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.