Home / 3,967,090.21-5,947,147.05-1,572,616.81

Finding the Fourth Proportional to 3,967,090.21, 5,947,147.05 and 1,572,616.81

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Solution

The fourth proportional to 3,967,090.21, 5,947,147.05 and 1,572,616.81 is: 2,357,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967,090.21 : 5,947,147.05 = 1,572,616.81 : x
  2. Step 2: Convert to fraction form
    3,967,090.21/5,947,147.05 = 1,572,616.81/x
  3. Step 3: Cross multiply
    3,967,090.21x = 5,947,147.05 × 1,572,616.81
  4. Step 4: Simplify right side
    3,967,090.21x = 9,352,583,422,371.91
  5. Step 5: Solve for x
    x = 9,352,583,422,371.91/3,967,090.21
  6. Step 6: Final answer
    x = 2,357,542.41

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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.