Home / 2,405,821.20-3,607,601.76-1,395,230.40

Finding the Fourth Proportional to 2,405,821.20, 3,607,601.76 and 1,395,230.40

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Solution

The fourth proportional to 2,405,821.20, 3,607,601.76 and 1,395,230.40 is: 2,092,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,821.20 : 3,607,601.76 = 1,395,230.40 : x
  2. Step 2: Convert to fraction form
    2,405,821.20/3,607,601.76 = 1,395,230.40/x
  3. Step 3: Cross multiply
    2,405,821.20x = 3,607,601.76 × 1,395,230.40
  4. Step 4: Simplify right side
    2,405,821.20x = 5,033,435,646,645.50
  5. Step 5: Solve for x
    x = 5,033,435,646,645.50/2,405,821.20
  6. Step 6: Final answer
    x = 2,092,190.25

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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.