Home / 3,818,830.05-5,729,440.64-1,261,841.59

Finding the Fourth Proportional to 3,818,830.05, 5,729,440.64 and 1,261,841.59

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Solution

The fourth proportional to 3,818,830.05, 5,729,440.64 and 1,261,841.59 is: 1,893,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,830.05 : 5,729,440.64 = 1,261,841.59 : x
  2. Step 2: Convert to fraction form
    3,818,830.05/5,729,440.64 = 1,261,841.59/x
  3. Step 3: Cross multiply
    3,818,830.05x = 5,729,440.64 × 1,261,841.59
  4. Step 4: Simplify right side
    3,818,830.05x = 7,229,646,487,840.81
  5. Step 5: Solve for x
    x = 7,229,646,487,840.81/3,818,830.05
  6. Step 6: Final answer
    x = 1,893,157.43

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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.