Home / 1,455,114.20-2,182,671.30-1,431,494.60

Finding the Fourth Proportional to 1,455,114.20, 2,182,671.30 and 1,431,494.60

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Solution

The fourth proportional to 1,455,114.20, 2,182,671.30 and 1,431,494.60 is: 2,147,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,114.20 : 2,182,671.30 = 1,431,494.60 : x
  2. Step 2: Convert to fraction form
    1,455,114.20/2,182,671.30 = 1,431,494.60/x
  3. Step 3: Cross multiply
    1,455,114.20x = 2,182,671.30 × 1,431,494.60
  4. Step 4: Simplify right side
    1,455,114.20x = 3,124,482,179,524.98
  5. Step 5: Solve for x
    x = 3,124,482,179,524.98/1,455,114.20
  6. Step 6: Final answer
    x = 2,147,241.90

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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.