Home / 3,122,685.88-4,307,644.26-1,899,365.56

Finding the Fourth Proportional to 3,122,685.88, 4,307,644.26 and 1,899,365.56

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Solution

The fourth proportional to 3,122,685.88, 4,307,644.26 and 1,899,365.56 is: 2,620,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,685.88 : 4,307,644.26 = 1,899,365.56 : x
  2. Step 2: Convert to fraction form
    3,122,685.88/4,307,644.26 = 1,899,365.56/x
  3. Step 3: Cross multiply
    3,122,685.88x = 4,307,644.26 × 1,899,365.56
  4. Step 4: Simplify right side
    3,122,685.88x = 8,181,791,152,175.69
  5. Step 5: Solve for x
    x = 8,181,791,152,175.69/3,122,685.88
  6. Step 6: Final answer
    x = 2,620,113.41

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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.