Home / 3,291,100.70-4,936,867.66-862,313.42

Finding the Fourth Proportional to 3,291,100.70, 4,936,867.66 and 862,313.42

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Solution

The fourth proportional to 3,291,100.70, 4,936,867.66 and 862,313.42 is: 1,293,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,100.70 : 4,936,867.66 = 862,313.42 : x
  2. Step 2: Convert to fraction form
    3,291,100.70/4,936,867.66 = 862,313.42/x
  3. Step 3: Cross multiply
    3,291,100.70x = 4,936,867.66 × 862,313.42
  4. Step 4: Simplify right side
    3,291,100.70x = 4,257,127,233,826.21
  5. Step 5: Solve for x
    x = 4,257,127,233,826.21/3,291,100.70
  6. Step 6: Final answer
    x = 1,293,526.89

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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.