Home / 2,686,021.20-4,026,499.12-1,336,908.40

Finding the Fourth Proportional to 2,686,021.20, 4,026,499.12 and 1,336,908.40

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Solution

The fourth proportional to 2,686,021.20, 4,026,499.12 and 1,336,908.40 is: 2,004,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,021.20 : 4,026,499.12 = 1,336,908.40 : x
  2. Step 2: Convert to fraction form
    2,686,021.20/4,026,499.12 = 1,336,908.40/x
  3. Step 3: Cross multiply
    2,686,021.20x = 4,026,499.12 × 1,336,908.40
  4. Step 4: Simplify right side
    2,686,021.20x = 5,383,060,496,120.61
  5. Step 5: Solve for x
    x = 5,383,060,496,120.61/2,686,021.20
  6. Step 6: Final answer
    x = 2,004,102.01

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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.