Home / 3,890,174.37-5,830,353.09-1,971,567.75

Finding the Fourth Proportional to 3,890,174.37, 5,830,353.09 and 1,971,567.75

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Solution

The fourth proportional to 3,890,174.37, 5,830,353.09 and 1,971,567.75 is: 2,954,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,174.37 : 5,830,353.09 = 1,971,567.75 : x
  2. Step 2: Convert to fraction form
    3,890,174.37/5,830,353.09 = 1,971,567.75/x
  3. Step 3: Cross multiply
    3,890,174.37x = 5,830,353.09 × 1,971,567.75
  4. Step 4: Simplify right side
    3,890,174.37x = 11,494,936,123,356.85
  5. Step 5: Solve for x
    x = 11,494,936,123,356.85/3,890,174.37
  6. Step 6: Final answer
    x = 2,954,863.98

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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.