Home / 2,905,659.29-4,015,340.10-2,179,245.87

Finding the Fourth Proportional to 2,905,659.29, 4,015,340.10 and 2,179,245.87

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Solution

The fourth proportional to 2,905,659.29, 4,015,340.10 and 2,179,245.87 is: 3,011,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,659.29 : 4,015,340.10 = 2,179,245.87 : x
  2. Step 2: Convert to fraction form
    2,905,659.29/4,015,340.10 = 2,179,245.87/x
  3. Step 3: Cross multiply
    2,905,659.29x = 4,015,340.10 × 2,179,245.87
  4. Step 4: Simplify right side
    2,905,659.29x = 8,750,413,329,570.39
  5. Step 5: Solve for x
    x = 8,750,413,329,570.39/2,905,659.29
  6. Step 6: Final answer
    x = 3,011,507.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.