Home / 3,783,016.80-5,675,216.40-1,539,381.60

Finding the Fourth Proportional to 3,783,016.80, 5,675,216.40 and 1,539,381.60

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Solution

The fourth proportional to 3,783,016.80, 5,675,216.40 and 1,539,381.60 is: 2,309,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,016.80 : 5,675,216.40 = 1,539,381.60 : x
  2. Step 2: Convert to fraction form
    3,783,016.80/5,675,216.40 = 1,539,381.60/x
  3. Step 3: Cross multiply
    3,783,016.80x = 5,675,216.40 × 1,539,381.60
  4. Step 4: Simplify right side
    3,783,016.80x = 8,736,323,702,178.24
  5. Step 5: Solve for x
    x = 8,736,323,702,178.24/3,783,016.80
  6. Step 6: Final answer
    x = 2,309,353.66

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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.