Home / 3,516,904.40-5,275,356.60-3,191,478.80

Finding the Fourth Proportional to 3,516,904.40, 5,275,356.60 and 3,191,478.80

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Solution

The fourth proportional to 3,516,904.40, 5,275,356.60 and 3,191,478.80 is: 4,787,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,904.40 : 5,275,356.60 = 3,191,478.80 : x
  2. Step 2: Convert to fraction form
    3,516,904.40/5,275,356.60 = 3,191,478.80/x
  3. Step 3: Cross multiply
    3,516,904.40x = 5,275,356.60 × 3,191,478.80
  4. Step 4: Simplify right side
    3,516,904.40x = 16,836,188,751,340.08
  5. Step 5: Solve for x
    x = 16,836,188,751,340.08/3,516,904.40
  6. Step 6: Final answer
    x = 4,787,218.20

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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.