Home / 3,985,615.02-5,979,371.13-1,289,940.24

Finding the Fourth Proportional to 3,985,615.02, 5,979,371.13 and 1,289,940.24

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Solution

The fourth proportional to 3,985,615.02, 5,979,371.13 and 1,289,940.24 is: 1,935,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,615.02 : 5,979,371.13 = 1,289,940.24 : x
  2. Step 2: Convert to fraction form
    3,985,615.02/5,979,371.13 = 1,289,940.24/x
  3. Step 3: Cross multiply
    3,985,615.02x = 5,979,371.13 × 1,289,940.24
  4. Step 4: Simplify right side
    3,985,615.02x = 7,713,031,430,481.27
  5. Step 5: Solve for x
    x = 7,713,031,430,481.27/3,985,615.02
  6. Step 6: Final answer
    x = 1,935,217.37

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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.