Home / 5,905,390.72-8,149,439.14-3,189,136.72

Finding the Fourth Proportional to 5,905,390.72, 8,149,439.14 and 3,189,136.72

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Solution

The fourth proportional to 5,905,390.72, 8,149,439.14 and 3,189,136.72 is: 4,401,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,390.72 : 8,149,439.14 = 3,189,136.72 : x
  2. Step 2: Convert to fraction form
    5,905,390.72/8,149,439.14 = 3,189,136.72/x
  3. Step 3: Cross multiply
    5,905,390.72x = 8,149,439.14 × 3,189,136.72
  4. Step 4: Simplify right side
    5,905,390.72x = 25,989,675,608,779.22
  5. Step 5: Solve for x
    x = 25,989,675,608,779.22/5,905,390.72
  6. Step 6: Final answer
    x = 4,401,008.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.