Home / 3,621,040.72-5,432,148.96-1,225,031.20

Finding the Fourth Proportional to 3,621,040.72, 5,432,148.96 and 1,225,031.20

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Solution

The fourth proportional to 3,621,040.72, 5,432,148.96 and 1,225,031.20 is: 1,837,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,040.72 : 5,432,148.96 = 1,225,031.20 : x
  2. Step 2: Convert to fraction form
    3,621,040.72/5,432,148.96 = 1,225,031.20/x
  3. Step 3: Cross multiply
    3,621,040.72x = 5,432,148.96 × 1,225,031.20
  4. Step 4: Simplify right side
    3,621,040.72x = 6,654,551,959,047.55
  5. Step 5: Solve for x
    x = 6,654,551,959,047.55/3,621,040.72
  6. Step 6: Final answer
    x = 1,837,745.69

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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.