Home / 4,493,458.20-6,740,187.30-1,298,688.60

Finding the Fourth Proportional to 4,493,458.20, 6,740,187.30 and 1,298,688.60

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Solution

The fourth proportional to 4,493,458.20, 6,740,187.30 and 1,298,688.60 is: 1,948,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493,458.20 : 6,740,187.30 = 1,298,688.60 : x
  2. Step 2: Convert to fraction form
    4,493,458.20/6,740,187.30 = 1,298,688.60/x
  3. Step 3: Cross multiply
    4,493,458.20x = 6,740,187.30 × 1,298,688.60
  4. Step 4: Simplify right side
    4,493,458.20x = 8,753,404,408,374.78
  5. Step 5: Solve for x
    x = 8,753,404,408,374.78/4,493,458.20
  6. Step 6: Final answer
    x = 1,948,032.90

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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.