Home / 2,068,106.81-3,102,243.65-720,405.73

Finding the Fourth Proportional to 2,068,106.81, 3,102,243.65 and 720,405.73

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Solution

The fourth proportional to 2,068,106.81, 3,102,243.65 and 720,405.73 is: 1,080,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,106.81 : 3,102,243.65 = 720,405.73 : x
  2. Step 2: Convert to fraction form
    2,068,106.81/3,102,243.65 = 720,405.73/x
  3. Step 3: Cross multiply
    2,068,106.81x = 3,102,243.65 × 720,405.73
  4. Step 4: Simplify right side
    2,068,106.81x = 2,234,874,082,202.87
  5. Step 5: Solve for x
    x = 2,234,874,082,202.87/2,068,106.81
  6. Step 6: Final answer
    x = 1,080,637.65

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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.