Home / 6,840,122.64-10,259,881.56-1,791,321.36

Finding the Fourth Proportional to 6,840,122.64, 10,259,881.56 and 1,791,321.36

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Solution

The fourth proportional to 6,840,122.64, 10,259,881.56 and 1,791,321.36 is: 2,686,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840,122.64 : 10,259,881.56 = 1,791,321.36 : x
  2. Step 2: Convert to fraction form
    6,840,122.64/10,259,881.56 = 1,791,321.36/x
  3. Step 3: Cross multiply
    6,840,122.64x = 10,259,881.56 × 1,791,321.36
  4. Step 4: Simplify right side
    6,840,122.64x = 18,378,744,989,498.12
  5. Step 5: Solve for x
    x = 18,378,744,989,498.12/6,840,122.64
  6. Step 6: Final answer
    x = 2,686,902.85

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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.