Home / 1,855,076.64-2,777,012.88-1,677,667.20

Finding the Fourth Proportional to 1,855,076.64, 2,777,012.88 and 1,677,667.20

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Solution

The fourth proportional to 1,855,076.64, 2,777,012.88 and 1,677,667.20 is: 2,511,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,076.64 : 2,777,012.88 = 1,677,667.20 : x
  2. Step 2: Convert to fraction form
    1,855,076.64/2,777,012.88 = 1,677,667.20/x
  3. Step 3: Cross multiply
    1,855,076.64x = 2,777,012.88 × 1,677,667.20
  4. Step 4: Simplify right side
    1,855,076.64x = 4,658,903,422,753.54
  5. Step 5: Solve for x
    x = 4,658,903,422,753.54/1,855,076.64
  6. Step 6: Final answer
    x = 2,511,434.47

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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.