Home / 3,468,321.60-5,200,408.80-1,788,705.60

Finding the Fourth Proportional to 3,468,321.60, 5,200,408.80 and 1,788,705.60

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Solution

The fourth proportional to 3,468,321.60, 5,200,408.80 and 1,788,705.60 is: 2,681,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,321.60 : 5,200,408.80 = 1,788,705.60 : x
  2. Step 2: Convert to fraction form
    3,468,321.60/5,200,408.80 = 1,788,705.60/x
  3. Step 3: Cross multiply
    3,468,321.60x = 5,200,408.80 × 1,788,705.60
  4. Step 4: Simplify right side
    3,468,321.60x = 9,302,000,342,849.28
  5. Step 5: Solve for x
    x = 9,302,000,342,849.28/3,468,321.60
  6. Step 6: Final answer
    x = 2,681,988.99

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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.