Home / 3,869,312.80-5,801,895.60-1,622,912.80

Finding the Fourth Proportional to 3,869,312.80, 5,801,895.60 and 1,622,912.80

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Solution

The fourth proportional to 3,869,312.80, 5,801,895.60 and 1,622,912.80 is: 2,433,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,312.80 : 5,801,895.60 = 1,622,912.80 : x
  2. Step 2: Convert to fraction form
    3,869,312.80/5,801,895.60 = 1,622,912.80/x
  3. Step 3: Cross multiply
    3,869,312.80x = 5,801,895.60 × 1,622,912.80
  4. Step 4: Simplify right side
    3,869,312.80x = 9,415,970,633,503.68
  5. Step 5: Solve for x
    x = 9,415,970,633,503.68/3,869,312.80
  6. Step 6: Final answer
    x = 2,433,499.47

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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.