Home / 5,321,296.40-7,982,981.40-2,125,878.80

Finding the Fourth Proportional to 5,321,296.40, 7,982,981.40 and 2,125,878.80

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Solution

The fourth proportional to 5,321,296.40, 7,982,981.40 and 2,125,878.80 is: 3,189,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,296.40 : 7,982,981.40 = 2,125,878.80 : x
  2. Step 2: Convert to fraction form
    5,321,296.40/7,982,981.40 = 2,125,878.80/x
  3. Step 3: Cross multiply
    5,321,296.40x = 7,982,981.40 × 2,125,878.80
  4. Step 4: Simplify right side
    5,321,296.40x = 16,970,850,919,054.32
  5. Step 5: Solve for x
    x = 16,970,850,919,054.32/5,321,296.40
  6. Step 6: Final answer
    x = 3,189,232.41

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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.