Home / 3,291,100.81-4,936,867.82-862,313.53

Finding the Fourth Proportional to 3,291,100.81, 4,936,867.82 and 862,313.53

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Solution

The fourth proportional to 3,291,100.81, 4,936,867.82 and 862,313.53 is: 1,293,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,100.81 : 4,936,867.82 = 862,313.53 : x
  2. Step 2: Convert to fraction form
    3,291,100.81/4,936,867.82 = 862,313.53/x
  3. Step 3: Cross multiply
    3,291,100.81x = 4,936,867.82 × 862,313.53
  4. Step 4: Simplify right side
    3,291,100.81x = 4,257,127,904,665.44
  5. Step 5: Solve for x
    x = 4,257,127,904,665.44/3,291,100.81
  6. Step 6: Final answer
    x = 1,293,527.05

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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.