Home / 3,986,233.10-5,978,572.05-1,289,905.10

Finding the Fourth Proportional to 3,986,233.10, 5,978,572.05 and 1,289,905.10

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Solution

The fourth proportional to 3,986,233.10, 5,978,572.05 and 1,289,905.10 is: 1,934,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,233.10 : 5,978,572.05 = 1,289,905.10 : x
  2. Step 2: Convert to fraction form
    3,986,233.10/5,978,572.05 = 1,289,905.10/x
  3. Step 3: Cross multiply
    3,986,233.10x = 5,978,572.05 × 1,289,905.10
  4. Step 4: Simplify right side
    3,986,233.10x = 7,711,790,578,012.46
  5. Step 5: Solve for x
    x = 7,711,790,578,012.46/3,986,233.10
  6. Step 6: Final answer
    x = 1,934,606.03

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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.