Home / 3,991,107.40-5,985,348.90-1,466,434.60

Finding the Fourth Proportional to 3,991,107.40, 5,985,348.90 and 1,466,434.60

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Solution

The fourth proportional to 3,991,107.40, 5,985,348.90 and 1,466,434.60 is: 2,199,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,107.40 : 5,985,348.90 = 1,466,434.60 : x
  2. Step 2: Convert to fraction form
    3,991,107.40/5,985,348.90 = 1,466,434.60/x
  3. Step 3: Cross multiply
    3,991,107.40x = 5,985,348.90 × 1,466,434.60
  4. Step 4: Simplify right side
    3,991,107.40x = 8,777,122,720,031.94
  5. Step 5: Solve for x
    x = 8,777,122,720,031.94/3,991,107.40
  6. Step 6: Final answer
    x = 2,199,169.76

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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.