Home / 3,298,021.40-4,947,032.10-2,105,231.60

Finding the Fourth Proportional to 3,298,021.40, 4,947,032.10 and 2,105,231.60

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Solution

The fourth proportional to 3,298,021.40, 4,947,032.10 and 2,105,231.60 is: 3,157,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,021.40 : 4,947,032.10 = 2,105,231.60 : x
  2. Step 2: Convert to fraction form
    3,298,021.40/4,947,032.10 = 2,105,231.60/x
  3. Step 3: Cross multiply
    3,298,021.40x = 4,947,032.10 × 2,105,231.60
  4. Step 4: Simplify right side
    3,298,021.40x = 10,414,648,303,134.36
  5. Step 5: Solve for x
    x = 10,414,648,303,134.36/3,298,021.40
  6. Step 6: Final answer
    x = 3,157,847.40

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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.