Home / 3,979,652.40-5,971,811.40-1,455,562.80

Finding the Fourth Proportional to 3,979,652.40, 5,971,811.40 and 1,455,562.80

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Solution

The fourth proportional to 3,979,652.40, 5,971,811.40 and 1,455,562.80 is: 2,184,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,652.40 : 5,971,811.40 = 1,455,562.80 : x
  2. Step 2: Convert to fraction form
    3,979,652.40/5,971,811.40 = 1,455,562.80/x
  3. Step 3: Cross multiply
    3,979,652.40x = 5,971,811.40 × 1,455,562.80
  4. Step 4: Simplify right side
    3,979,652.40x = 8,692,346,522,455.92
  5. Step 5: Solve for x
    x = 8,692,346,522,455.92/3,979,652.40
  6. Step 6: Final answer
    x = 2,184,197.42

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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.