Home / 3,619,942.28-5,421,646.56-1,728,012.32

Finding the Fourth Proportional to 3,619,942.28, 5,421,646.56 and 1,728,012.32

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Solution

The fourth proportional to 3,619,942.28, 5,421,646.56 and 1,728,012.32 is: 2,588,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,942.28 : 5,421,646.56 = 1,728,012.32 : x
  2. Step 2: Convert to fraction form
    3,619,942.28/5,421,646.56 = 1,728,012.32/x
  3. Step 3: Cross multiply
    3,619,942.28x = 5,421,646.56 × 1,728,012.32
  4. Step 4: Simplify right side
    3,619,942.28x = 9,368,672,050,365.62
  5. Step 5: Solve for x
    x = 9,368,672,050,365.62/3,619,942.28
  6. Step 6: Final answer
    x = 2,588,072.22

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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.