Home / 3,415,366.60-5,128,954.80-1,821,043.60

Finding the Fourth Proportional to 3,415,366.60, 5,128,954.80 and 1,821,043.60

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Solution

The fourth proportional to 3,415,366.60, 5,128,954.80 and 1,821,043.60 is: 2,734,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,366.60 : 5,128,954.80 = 1,821,043.60 : x
  2. Step 2: Convert to fraction form
    3,415,366.60/5,128,954.80 = 1,821,043.60/x
  3. Step 3: Cross multiply
    3,415,366.60x = 5,128,954.80 × 1,821,043.60
  4. Step 4: Simplify right side
    3,415,366.60x = 9,340,050,313,229.28
  5. Step 5: Solve for x
    x = 9,340,050,313,229.28/3,415,366.60
  6. Step 6: Final answer
    x = 2,734,713.84

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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.