Home / 2,061,729.60-2,845,282.64-1,287,818.64

Finding the Fourth Proportional to 2,061,729.60, 2,845,282.64 and 1,287,818.64

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Solution

The fourth proportional to 2,061,729.60, 2,845,282.64 and 1,287,818.64 is: 1,777,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061,729.60 : 2,845,282.64 = 1,287,818.64 : x
  2. Step 2: Convert to fraction form
    2,061,729.60/2,845,282.64 = 1,287,818.64/x
  3. Step 3: Cross multiply
    2,061,729.60x = 2,845,282.64 × 1,287,818.64
  4. Step 4: Simplify right side
    2,061,729.60x = 3,664,208,019,860.41
  5. Step 5: Solve for x
    x = 3,664,208,019,860.41/2,061,729.60
  6. Step 6: Final answer
    x = 1,777,249.56

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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.