Home / 3,515,517.60-5,273,276.40-1,621,698.72

Finding the Fourth Proportional to 3,515,517.60, 5,273,276.40 and 1,621,698.72

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Solution

The fourth proportional to 3,515,517.60, 5,273,276.40 and 1,621,698.72 is: 2,432,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,517.60 : 5,273,276.40 = 1,621,698.72 : x
  2. Step 2: Convert to fraction form
    3,515,517.60/5,273,276.40 = 1,621,698.72/x
  3. Step 3: Cross multiply
    3,515,517.60x = 5,273,276.40 × 1,621,698.72
  4. Step 4: Simplify right side
    3,515,517.60x = 8,551,665,588,086.21
  5. Step 5: Solve for x
    x = 8,551,665,588,086.21/3,515,517.60
  6. Step 6: Final answer
    x = 2,432,548.08

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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.