Home / 1,997,713.80-2,756,985.78-1,126,626.44

Finding the Fourth Proportional to 1,997,713.80, 2,756,985.78 and 1,126,626.44

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Solution

The fourth proportional to 1,997,713.80, 2,756,985.78 and 1,126,626.44 is: 1,554,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,713.80 : 2,756,985.78 = 1,126,626.44 : x
  2. Step 2: Convert to fraction form
    1,997,713.80/2,756,985.78 = 1,126,626.44/x
  3. Step 3: Cross multiply
    1,997,713.80x = 2,756,985.78 × 1,126,626.44
  4. Step 4: Simplify right side
    1,997,713.80x = 3,106,093,074,452.02
  5. Step 5: Solve for x
    x = 3,106,093,074,452.02/1,997,713.80
  6. Step 6: Final answer
    x = 1,554,823.86

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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.