Home / 2,121,543.92-3,182,420.78-605,450.31

Finding the Fourth Proportional to 2,121,543.92, 3,182,420.78 and 605,450.31

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Solution

The fourth proportional to 2,121,543.92, 3,182,420.78 and 605,450.31 is: 908,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,543.92 : 3,182,420.78 = 605,450.31 : x
  2. Step 2: Convert to fraction form
    2,121,543.92/3,182,420.78 = 605,450.31/x
  3. Step 3: Cross multiply
    2,121,543.92x = 3,182,420.78 × 605,450.31
  4. Step 4: Simplify right side
    2,121,543.92x = 1,926,797,644,774.19
  5. Step 5: Solve for x
    x = 1,926,797,644,774.19/2,121,543.92
  6. Step 6: Final answer
    x = 908,205.40

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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.