Home / 2,591,971.20-3,887,956.80-908,467.20

Finding the Fourth Proportional to 2,591,971.20, 3,887,956.80 and 908,467.20

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Solution

The fourth proportional to 2,591,971.20, 3,887,956.80 and 908,467.20 is: 1,362,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,971.20 : 3,887,956.80 = 908,467.20 : x
  2. Step 2: Convert to fraction form
    2,591,971.20/3,887,956.80 = 908,467.20/x
  3. Step 3: Cross multiply
    2,591,971.20x = 3,887,956.80 × 908,467.20
  4. Step 4: Simplify right side
    2,591,971.20x = 3,532,081,227,816.96
  5. Step 5: Solve for x
    x = 3,532,081,227,816.96/2,591,971.20
  6. Step 6: Final answer
    x = 1,362,700.80

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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.