Home / 5,491,763.60-8,239,200.60-1,705,629.20

Finding the Fourth Proportional to 5,491,763.60, 8,239,200.60 and 1,705,629.20

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Solution

The fourth proportional to 5,491,763.60, 8,239,200.60 and 1,705,629.20 is: 2,558,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491,763.60 : 8,239,200.60 = 1,705,629.20 : x
  2. Step 2: Convert to fraction form
    5,491,763.60/8,239,200.60 = 1,705,629.20/x
  3. Step 3: Cross multiply
    5,491,763.60x = 8,239,200.60 × 1,705,629.20
  4. Step 4: Simplify right side
    5,491,763.60x = 14,053,021,128,017.52
  5. Step 5: Solve for x
    x = 14,053,021,128,017.52/5,491,763.60
  6. Step 6: Final answer
    x = 2,558,926.81

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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.