Home / 3,691,646.40-5,538,344.40-1,894,807.20

Finding the Fourth Proportional to 3,691,646.40, 5,538,344.40 and 1,894,807.20

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Solution

The fourth proportional to 3,691,646.40, 5,538,344.40 and 1,894,807.20 is: 2,842,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691,646.40 : 5,538,344.40 = 1,894,807.20 : x
  2. Step 2: Convert to fraction form
    3,691,646.40/5,538,344.40 = 1,894,807.20/x
  3. Step 3: Cross multiply
    3,691,646.40x = 5,538,344.40 × 1,894,807.20
  4. Step 4: Simplify right side
    3,691,646.40x = 10,494,094,845,199.68
  5. Step 5: Solve for x
    x = 10,494,094,845,199.68/3,691,646.40
  6. Step 6: Final answer
    x = 2,842,659.81

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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.