Home / 5,085,233.78-7,015,644.83-2,879,590.28

Finding the Fourth Proportional to 5,085,233.78, 7,015,644.83 and 2,879,590.28

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Solution

The fourth proportional to 5,085,233.78, 7,015,644.83 and 2,879,590.28 is: 3,972,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,233.78 : 7,015,644.83 = 2,879,590.28 : x
  2. Step 2: Convert to fraction form
    5,085,233.78/7,015,644.83 = 2,879,590.28/x
  3. Step 3: Cross multiply
    5,085,233.78x = 7,015,644.83 × 2,879,590.28
  4. Step 4: Simplify right side
    5,085,233.78x = 20,202,182,660,400.25
  5. Step 5: Solve for x
    x = 20,202,182,660,400.25/5,085,233.78
  6. Step 6: Final answer
    x = 3,972,714.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.