Home / 2,076,385.80-3,114,578.70-814,254.60

Finding the Fourth Proportional to 2,076,385.80, 3,114,578.70 and 814,254.60

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Solution

The fourth proportional to 2,076,385.80, 3,114,578.70 and 814,254.60 is: 1,221,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,385.80 : 3,114,578.70 = 814,254.60 : x
  2. Step 2: Convert to fraction form
    2,076,385.80/3,114,578.70 = 814,254.60/x
  3. Step 3: Cross multiply
    2,076,385.80x = 3,114,578.70 × 814,254.60
  4. Step 4: Simplify right side
    2,076,385.80x = 2,536,060,033,537.02
  5. Step 5: Solve for x
    x = 2,536,060,033,537.02/2,076,385.80
  6. Step 6: Final answer
    x = 1,221,381.90

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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.