Home / 1,585,285.74-2,174,243.13-1,520,183.64

Finding the Fourth Proportional to 1,585,285.74, 2,174,243.13 and 1,520,183.64

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Solution

The fourth proportional to 1,585,285.74, 2,174,243.13 and 1,520,183.64 is: 2,084,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,285.74 : 2,174,243.13 = 1,520,183.64 : x
  2. Step 2: Convert to fraction form
    1,585,285.74/2,174,243.13 = 1,520,183.64/x
  3. Step 3: Cross multiply
    1,585,285.74x = 2,174,243.13 × 1,520,183.64
  4. Step 4: Simplify right side
    1,585,285.74x = 3,305,248,835,608.39
  5. Step 5: Solve for x
    x = 3,305,248,835,608.39/1,585,285.74
  6. Step 6: Final answer
    x = 2,084,954.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.