Home / 3,619,097.60-5,431,708.20-1,490,709.20

Finding the Fourth Proportional to 3,619,097.60, 5,431,708.20 and 1,490,709.20

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Solution

The fourth proportional to 3,619,097.60, 5,431,708.20 and 1,490,709.20 is: 2,237,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,097.60 : 5,431,708.20 = 1,490,709.20 : x
  2. Step 2: Convert to fraction form
    3,619,097.60/5,431,708.20 = 1,490,709.20/x
  3. Step 3: Cross multiply
    3,619,097.60x = 5,431,708.20 × 1,490,709.20
  4. Step 4: Simplify right side
    3,619,097.60x = 8,097,097,385,455.44
  5. Step 5: Solve for x
    x = 8,097,097,385,455.44/3,619,097.60
  6. Step 6: Final answer
    x = 2,237,324.96

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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.