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Finding the Fourth Proportional to 1,950,987.86, 2,941,104.85 and 1,820,934.26

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Solution

The fourth proportional to 1,950,987.86, 2,941,104.85 and 1,820,934.26 is: 2,745,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,987.86 : 2,941,104.85 = 1,820,934.26 : x
  2. Step 2: Convert to fraction form
    1,950,987.86/2,941,104.85 = 1,820,934.26/x
  3. Step 3: Cross multiply
    1,950,987.86x = 2,941,104.85 × 1,820,934.26
  4. Step 4: Simplify right side
    1,950,987.86x = 5,355,558,574,512.49
  5. Step 5: Solve for x
    x = 5,355,558,574,512.49/1,950,987.86
  6. Step 6: Final answer
    x = 2,745,049.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.