Home / 2,659,864.37-3,990,356.97-862,607.70

Finding the Fourth Proportional to 2,659,864.37, 3,990,356.97 and 862,607.70

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Solution

The fourth proportional to 2,659,864.37, 3,990,356.97 and 862,607.70 is: 1,294,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,864.37 : 3,990,356.97 = 862,607.70 : x
  2. Step 2: Convert to fraction form
    2,659,864.37/3,990,356.97 = 862,607.70/x
  3. Step 3: Cross multiply
    2,659,864.37x = 3,990,356.97 × 862,607.70
  4. Step 4: Simplify right side
    2,659,864.37x = 3,442,112,648,070.67
  5. Step 5: Solve for x
    x = 3,442,112,648,070.67/2,659,864.37
  6. Step 6: Final answer
    x = 1,294,093.30

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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.