Home / 2,125,768.89-3,189,203.07-609,562.80

Finding the Fourth Proportional to 2,125,768.89, 3,189,203.07 and 609,562.80

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Solution

The fourth proportional to 2,125,768.89, 3,189,203.07 and 609,562.80 is: 914,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,768.89 : 3,189,203.07 = 609,562.80 : x
  2. Step 2: Convert to fraction form
    2,125,768.89/3,189,203.07 = 609,562.80/x
  3. Step 3: Cross multiply
    2,125,768.89x = 3,189,203.07 × 609,562.80
  4. Step 4: Simplify right side
    2,125,768.89x = 1,944,019,553,117.80
  5. Step 5: Solve for x
    x = 1,944,019,553,117.80/2,125,768.89
  6. Step 6: Final answer
    x = 914,501.84

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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.