Home / 2,785,819.72-4,182,603.42-1,438,977.64

Finding the Fourth Proportional to 2,785,819.72, 4,182,603.42 and 1,438,977.64

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Solution

The fourth proportional to 2,785,819.72, 4,182,603.42 and 1,438,977.64 is: 2,160,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,819.72 : 4,182,603.42 = 1,438,977.64 : x
  2. Step 2: Convert to fraction form
    2,785,819.72/4,182,603.42 = 1,438,977.64/x
  3. Step 3: Cross multiply
    2,785,819.72x = 4,182,603.42 × 1,438,977.64
  4. Step 4: Simplify right side
    2,785,819.72x = 6,018,672,798,367.53
  5. Step 5: Solve for x
    x = 6,018,672,798,367.53/2,785,819.72
  6. Step 6: Final answer
    x = 2,160,467.44

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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.