Home / 1,809,891.72-2,497,671.12-994,114.50

Finding the Fourth Proportional to 1,809,891.72, 2,497,671.12 and 994,114.50

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Solution

The fourth proportional to 1,809,891.72, 2,497,671.12 and 994,114.50 is: 1,371,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,891.72 : 2,497,671.12 = 994,114.50 : x
  2. Step 2: Convert to fraction form
    1,809,891.72/2,497,671.12 = 994,114.50/x
  3. Step 3: Cross multiply
    1,809,891.72x = 2,497,671.12 × 994,114.50
  4. Step 4: Simplify right side
    1,809,891.72x = 2,482,971,076,623.24
  5. Step 5: Solve for x
    x = 2,482,971,076,623.24/1,809,891.72
  6. Step 6: Final answer
    x = 1,371,889.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.