Home / 2,076,758.64-3,115,467.36-878,689.92

Finding the Fourth Proportional to 2,076,758.64, 3,115,467.36 and 878,689.92

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Solution

The fourth proportional to 2,076,758.64, 3,115,467.36 and 878,689.92 is: 1,318,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,758.64 : 3,115,467.36 = 878,689.92 : x
  2. Step 2: Convert to fraction form
    2,076,758.64/3,115,467.36 = 878,689.92/x
  3. Step 3: Cross multiply
    2,076,758.64x = 3,115,467.36 × 878,689.92
  4. Step 4: Simplify right side
    2,076,758.64x = 2,737,529,765,321.01
  5. Step 5: Solve for x
    x = 2,737,529,765,321.01/2,076,758.64
  6. Step 6: Final answer
    x = 1,318,174.25

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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.