Home / 2,076,513.70-3,114,770.55-1,275,196.90

Finding the Fourth Proportional to 2,076,513.70, 3,114,770.55 and 1,275,196.90

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Solution

The fourth proportional to 2,076,513.70, 3,114,770.55 and 1,275,196.90 is: 1,912,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,513.70 : 3,114,770.55 = 1,275,196.90 : x
  2. Step 2: Convert to fraction form
    2,076,513.70/3,114,770.55 = 1,275,196.90/x
  3. Step 3: Cross multiply
    2,076,513.70x = 3,114,770.55 × 1,275,196.90
  4. Step 4: Simplify right side
    2,076,513.70x = 3,971,945,749,571.29
  5. Step 5: Solve for x
    x = 3,971,945,749,571.29/2,076,513.70
  6. Step 6: Final answer
    x = 1,912,795.35

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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.