Home / 2,076,665.10-3,114,997.65-1,275,348.30

Finding the Fourth Proportional to 2,076,665.10, 3,114,997.65 and 1,275,348.30

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Solution

The fourth proportional to 2,076,665.10, 3,114,997.65 and 1,275,348.30 is: 1,913,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,665.10 : 3,114,997.65 = 1,275,348.30 : x
  2. Step 2: Convert to fraction form
    2,076,665.10/3,114,997.65 = 1,275,348.30/x
  3. Step 3: Cross multiply
    2,076,665.10x = 3,114,997.65 × 1,275,348.30
  4. Step 4: Simplify right side
    2,076,665.10x = 3,972,706,957,431.50
  5. Step 5: Solve for x
    x = 3,972,706,957,431.50/2,076,665.10
  6. Step 6: Final answer
    x = 1,913,022.45

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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.