Home / 1,996,138.20-2,994,207.30-666,442.20

Finding the Fourth Proportional to 1,996,138.20, 2,994,207.30 and 666,442.20

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Solution

The fourth proportional to 1,996,138.20, 2,994,207.30 and 666,442.20 is: 999,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,138.20 : 2,994,207.30 = 666,442.20 : x
  2. Step 2: Convert to fraction form
    1,996,138.20/2,994,207.30 = 666,442.20/x
  3. Step 3: Cross multiply
    1,996,138.20x = 2,994,207.30 × 666,442.20
  4. Step 4: Simplify right side
    1,996,138.20x = 1,995,466,100,268.06
  5. Step 5: Solve for x
    x = 1,995,466,100,268.06/1,996,138.20
  6. Step 6: Final answer
    x = 999,663.30

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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.