Home / 3,150,243.93-4,725,255.11-991,209.59

Finding the Fourth Proportional to 3,150,243.93, 4,725,255.11 and 991,209.59

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Solution

The fourth proportional to 3,150,243.93, 4,725,255.11 and 991,209.59 is: 1,486,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,243.93 : 4,725,255.11 = 991,209.59 : x
  2. Step 2: Convert to fraction form
    3,150,243.93/4,725,255.11 = 991,209.59/x
  3. Step 3: Cross multiply
    3,150,243.93x = 4,725,255.11 × 991,209.59
  4. Step 4: Simplify right side
    3,150,243.93x = 4,683,718,151,646.18
  5. Step 5: Solve for x
    x = 4,683,718,151,646.18/3,150,243.93
  6. Step 6: Final answer
    x = 1,486,779.52

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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.