Home / 2,126,136.45-3,189,217.36-528,699.54

Finding the Fourth Proportional to 2,126,136.45, 3,189,217.36 and 528,699.54

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Solution

The fourth proportional to 2,126,136.45, 3,189,217.36 and 528,699.54 is: 793,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,136.45 : 3,189,217.36 = 528,699.54 : x
  2. Step 2: Convert to fraction form
    2,126,136.45/3,189,217.36 = 528,699.54/x
  3. Step 3: Cross multiply
    2,126,136.45x = 3,189,217.36 × 528,699.54
  4. Step 4: Simplify right side
    2,126,136.45x = 1,686,137,749,870.27
  5. Step 5: Solve for x
    x = 1,686,137,749,870.27/2,126,136.45
  6. Step 6: Final answer
    x = 793,052.46

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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.