Home / 2,076,384.20-3,114,576.30-1,275,067.40

Finding the Fourth Proportional to 2,076,384.20, 3,114,576.30 and 1,275,067.40

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Solution

The fourth proportional to 2,076,384.20, 3,114,576.30 and 1,275,067.40 is: 1,912,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,384.20 : 3,114,576.30 = 1,275,067.40 : x
  2. Step 2: Convert to fraction form
    2,076,384.20/3,114,576.30 = 1,275,067.40/x
  3. Step 3: Cross multiply
    2,076,384.20x = 3,114,576.30 × 1,275,067.40
  4. Step 4: Simplify right side
    2,076,384.20x = 3,971,294,704,942.62
  5. Step 5: Solve for x
    x = 3,971,294,704,942.62/2,076,384.20
  6. Step 6: Final answer
    x = 1,912,601.10

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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.