Home / 2,199,818.70-3,299,728.05-1,821,905.10

Finding the Fourth Proportional to 2,199,818.70, 3,299,728.05 and 1,821,905.10

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Solution

The fourth proportional to 2,199,818.70, 3,299,728.05 and 1,821,905.10 is: 2,732,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,818.70 : 3,299,728.05 = 1,821,905.10 : x
  2. Step 2: Convert to fraction form
    2,199,818.70/3,299,728.05 = 1,821,905.10/x
  3. Step 3: Cross multiply
    2,199,818.70x = 3,299,728.05 × 1,821,905.10
  4. Step 4: Simplify right side
    2,199,818.70x = 6,011,791,362,908.06
  5. Step 5: Solve for x
    x = 6,011,791,362,908.06/2,199,818.70
  6. Step 6: Final answer
    x = 2,732,857.65

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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.