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Finding the Fourth Proportional to 3,619,281.02, 5,428,918.01 and 923,606.25

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Solution

The fourth proportional to 3,619,281.02, 5,428,918.01 and 923,606.25 is: 1,385,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,281.02 : 5,428,918.01 = 923,606.25 : x
  2. Step 2: Convert to fraction form
    3,619,281.02/5,428,918.01 = 923,606.25/x
  3. Step 3: Cross multiply
    3,619,281.02x = 5,428,918.01 × 923,606.25
  4. Step 4: Simplify right side
    3,619,281.02x = 5,014,182,586,724.14
  5. Step 5: Solve for x
    x = 5,014,182,586,724.14/3,619,281.02
  6. Step 6: Final answer
    x = 1,385,408.47

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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.