Home / 3,619,090.84-5,428,823.10-923,439.64

Finding the Fourth Proportional to 3,619,090.84, 5,428,823.10 and 923,439.64

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Solution

The fourth proportional to 3,619,090.84, 5,428,823.10 and 923,439.64 is: 1,385,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,090.84 : 5,428,823.10 = 923,439.64 : x
  2. Step 2: Convert to fraction form
    3,619,090.84/5,428,823.10 = 923,439.64/x
  3. Step 3: Cross multiply
    3,619,090.84x = 5,428,823.10 × 923,439.64
  4. Step 4: Simplify right side
    3,619,090.84x = 5,013,190,449,087.68
  5. Step 5: Solve for x
    x = 5,013,190,449,087.68/3,619,090.84
  6. Step 6: Final answer
    x = 1,385,207.13

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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.