Home / 2,076,074.57-3,112,617.05-1,275,702.43

Finding the Fourth Proportional to 2,076,074.57, 3,112,617.05 and 1,275,702.43

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Solution

The fourth proportional to 2,076,074.57, 3,112,617.05 and 1,275,702.43 is: 1,912,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,074.57 : 3,112,617.05 = 1,275,702.43 : x
  2. Step 2: Convert to fraction form
    2,076,074.57/3,112,617.05 = 1,275,702.43/x
  3. Step 3: Cross multiply
    2,076,074.57x = 3,112,617.05 × 1,275,702.43
  4. Step 4: Simplify right side
    2,076,074.57x = 3,970,773,134,344.43
  5. Step 5: Solve for x
    x = 3,970,773,134,344.43/2,076,074.57
  6. Step 6: Final answer
    x = 1,912,635.12

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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.