Home / 5,320,157.58-7,981,357.86-1,725,644.88

Finding the Fourth Proportional to 5,320,157.58, 7,981,357.86 and 1,725,644.88

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Solution

The fourth proportional to 5,320,157.58, 7,981,357.86 and 1,725,644.88 is: 2,588,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,157.58 : 7,981,357.86 = 1,725,644.88 : x
  2. Step 2: Convert to fraction form
    5,320,157.58/7,981,357.86 = 1,725,644.88/x
  3. Step 3: Cross multiply
    5,320,157.58x = 7,981,357.86 × 1,725,644.88
  4. Step 4: Simplify right side
    5,320,157.58x = 13,772,989,326,556.76
  5. Step 5: Solve for x
    x = 13,772,989,326,556.76/5,320,157.58
  6. Step 6: Final answer
    x = 2,588,831.09

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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.