Home / 2,021,411.20-3,032,116.80-1,994,839.15

Finding the Fourth Proportional to 2,021,411.20, 3,032,116.80 and 1,994,839.15

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Solution

The fourth proportional to 2,021,411.20, 3,032,116.80 and 1,994,839.15 is: 2,992,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,411.20 : 3,032,116.80 = 1,994,839.15 : x
  2. Step 2: Convert to fraction form
    2,021,411.20/3,032,116.80 = 1,994,839.15/x
  3. Step 3: Cross multiply
    2,021,411.20x = 3,032,116.80 × 1,994,839.15
  4. Step 4: Simplify right side
    2,021,411.20x = 6,048,585,300,012.72
  5. Step 5: Solve for x
    x = 6,048,585,300,012.72/2,021,411.20
  6. Step 6: Final answer
    x = 2,992,258.73

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Double scale
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Similar ratio
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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.