Home / 3,841,161.40-5,300,909.68-2,122,392.70

Finding the Fourth Proportional to 3,841,161.40, 5,300,909.68 and 2,122,392.70

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Solution

The fourth proportional to 3,841,161.40, 5,300,909.68 and 2,122,392.70 is: 2,928,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841,161.40 : 5,300,909.68 = 2,122,392.70 : x
  2. Step 2: Convert to fraction form
    3,841,161.40/5,300,909.68 = 2,122,392.70/x
  3. Step 3: Cross multiply
    3,841,161.40x = 5,300,909.68 × 2,122,392.70
  4. Step 4: Simplify right side
    3,841,161.40x = 11,250,612,008,191.34
  5. Step 5: Solve for x
    x = 11,250,612,008,191.34/3,841,161.40
  6. Step 6: Final answer
    x = 2,928,961.02

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1.5x scale

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.