Home / 3,286,205.80-4,921,014.30-2,158,167.40

Finding the Fourth Proportional to 3,286,205.80, 4,921,014.30 and 2,158,167.40

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Solution

The fourth proportional to 3,286,205.80, 4,921,014.30 and 2,158,167.40 is: 3,231,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,205.80 : 4,921,014.30 = 2,158,167.40 : x
  2. Step 2: Convert to fraction form
    3,286,205.80/4,921,014.30 = 2,158,167.40/x
  3. Step 3: Cross multiply
    3,286,205.80x = 4,921,014.30 × 2,158,167.40
  4. Step 4: Simplify right side
    3,286,205.80x = 10,620,372,637,193.82
  5. Step 5: Solve for x
    x = 10,620,372,637,193.82/3,286,205.80
  6. Step 6: Final answer
    x = 3,231,803.87

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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.