Home / 1,997,223.60-2,755,394.10-1,271,941.50

Finding the Fourth Proportional to 1,997,223.60, 2,755,394.10 and 1,271,941.50

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Solution

The fourth proportional to 1,997,223.60, 2,755,394.10 and 1,271,941.50 is: 1,754,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,223.60 : 2,755,394.10 = 1,271,941.50 : x
  2. Step 2: Convert to fraction form
    1,997,223.60/2,755,394.10 = 1,271,941.50/x
  3. Step 3: Cross multiply
    1,997,223.60x = 2,755,394.10 × 1,271,941.50
  4. Step 4: Simplify right side
    1,997,223.60x = 3,504,700,104,645.15
  5. Step 5: Solve for x
    x = 3,504,700,104,645.15/1,997,223.60
  6. Step 6: Final answer
    x = 1,754,786.05

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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.