Home / 3,485,927.81-5,212,839.11-3,315,866.69

Finding the Fourth Proportional to 3,485,927.81, 5,212,839.11 and 3,315,866.69

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Solution

The fourth proportional to 3,485,927.81, 5,212,839.11 and 3,315,866.69 is: 4,958,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,927.81 : 5,212,839.11 = 3,315,866.69 : x
  2. Step 2: Convert to fraction form
    3,485,927.81/5,212,839.11 = 3,315,866.69/x
  3. Step 3: Cross multiply
    3,485,927.81x = 5,212,839.11 × 3,315,866.69
  4. Step 4: Simplify right side
    3,485,927.81x = 17,285,079,565,178.25
  5. Step 5: Solve for x
    x = 17,285,079,565,178.25/3,485,927.81
  6. Step 6: Final answer
    x = 4,958,530.56

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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.