Home / 1,968,561.12-2,946,174.24-1,210,882.20

Finding the Fourth Proportional to 1,968,561.12, 2,946,174.24 and 1,210,882.20

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Solution

The fourth proportional to 1,968,561.12, 2,946,174.24 and 1,210,882.20 is: 1,812,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,561.12 : 2,946,174.24 = 1,210,882.20 : x
  2. Step 2: Convert to fraction form
    1,968,561.12/2,946,174.24 = 1,210,882.20/x
  3. Step 3: Cross multiply
    1,968,561.12x = 2,946,174.24 × 1,210,882.20
  4. Step 4: Simplify right side
    1,968,561.12x = 3,567,469,945,314.53
  5. Step 5: Solve for x
    x = 3,567,469,945,314.53/1,968,561.12
  6. Step 6: Final answer
    x = 1,812,222.09

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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.