Home / 1,997,245.11-2,755,423.65-1,271,963.01

Finding the Fourth Proportional to 1,997,245.11, 2,755,423.65 and 1,271,963.01

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Solution

The fourth proportional to 1,997,245.11, 2,755,423.65 and 1,271,963.01 is: 1,754,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,245.11 : 2,755,423.65 = 1,271,963.01 : x
  2. Step 2: Convert to fraction form
    1,997,245.11/2,755,423.65 = 1,271,963.01/x
  3. Step 3: Cross multiply
    1,997,245.11x = 2,755,423.65 × 1,271,963.01
  4. Step 4: Simplify right side
    1,997,245.11x = 3,504,796,959,679.19
  5. Step 5: Solve for x
    x = 3,504,796,959,679.19/1,997,245.11
  6. Step 6: Final answer
    x = 1,754,815.64

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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.