Home / 3,283,817.40-4,923,101.70-1,389,000.60

Finding the Fourth Proportional to 3,283,817.40, 4,923,101.70 and 1,389,000.60

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Solution

The fourth proportional to 3,283,817.40, 4,923,101.70 and 1,389,000.60 is: 2,082,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283,817.40 : 4,923,101.70 = 1,389,000.60 : x
  2. Step 2: Convert to fraction form
    3,283,817.40/4,923,101.70 = 1,389,000.60/x
  3. Step 3: Cross multiply
    3,283,817.40x = 4,923,101.70 × 1,389,000.60
  4. Step 4: Simplify right side
    3,283,817.40x = 6,838,191,215,161.02
  5. Step 5: Solve for x
    x = 6,838,191,215,161.02/3,283,817.40
  6. Step 6: Final answer
    x = 2,082,390.82

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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.