Home / 3,361,779.67-4,639,644.62-1,871,781.43

Finding the Fourth Proportional to 3,361,779.67, 4,639,644.62 and 1,871,781.43

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Solution

The fourth proportional to 3,361,779.67, 4,639,644.62 and 1,871,781.43 is: 2,583,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,779.67 : 4,639,644.62 = 1,871,781.43 : x
  2. Step 2: Convert to fraction form
    3,361,779.67/4,639,644.62 = 1,871,781.43/x
  3. Step 3: Cross multiply
    3,361,779.67x = 4,639,644.62 × 1,871,781.43
  4. Step 4: Simplify right side
    3,361,779.67x = 8,684,400,632,156.50
  5. Step 5: Solve for x
    x = 8,684,400,632,156.50/3,361,779.67
  6. Step 6: Final answer
    x = 2,583,274.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.