Home / 2,012,161.20-3,018,241.80-516,253.20

Finding the Fourth Proportional to 2,012,161.20, 3,018,241.80 and 516,253.20

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Solution

The fourth proportional to 2,012,161.20, 3,018,241.80 and 516,253.20 is: 774,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,161.20 : 3,018,241.80 = 516,253.20 : x
  2. Step 2: Convert to fraction form
    2,012,161.20/3,018,241.80 = 516,253.20/x
  3. Step 3: Cross multiply
    2,012,161.20x = 3,018,241.80 × 516,253.20
  4. Step 4: Simplify right side
    2,012,161.20x = 1,558,176,987,623.76
  5. Step 5: Solve for x
    x = 1,558,176,987,623.76/2,012,161.20
  6. Step 6: Final answer
    x = 774,379.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.