Home / 3,216,728.16-4,821,683.76-1,509,429.60

Finding the Fourth Proportional to 3,216,728.16, 4,821,683.76 and 1,509,429.60

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Solution

The fourth proportional to 3,216,728.16, 4,821,683.76 and 1,509,429.60 is: 2,262,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216,728.16 : 4,821,683.76 = 1,509,429.60 : x
  2. Step 2: Convert to fraction form
    3,216,728.16/4,821,683.76 = 1,509,429.60/x
  3. Step 3: Cross multiply
    3,216,728.16x = 4,821,683.76 × 1,509,429.60
  4. Step 4: Simplify right side
    3,216,728.16x = 7,277,992,189,183.30
  5. Step 5: Solve for x
    x = 7,277,992,189,183.30/3,216,728.16
  6. Step 6: Final answer
    x = 2,262,544.99

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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.