Home / 2,147,289.36-3,220,849.90-727,345.39

Finding the Fourth Proportional to 2,147,289.36, 3,220,849.90 and 727,345.39

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Solution

The fourth proportional to 2,147,289.36, 3,220,849.90 and 727,345.39 is: 1,090,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,289.36 : 3,220,849.90 = 727,345.39 : x
  2. Step 2: Convert to fraction form
    2,147,289.36/3,220,849.90 = 727,345.39/x
  3. Step 3: Cross multiply
    2,147,289.36x = 3,220,849.90 × 727,345.39
  4. Step 4: Simplify right side
    2,147,289.36x = 2,342,670,326,646.96
  5. Step 5: Solve for x
    x = 2,342,670,326,646.96/2,147,289.36
  6. Step 6: Final answer
    x = 1,090,989.58

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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.