Home / 1,471,321.40-2,206,982.10-1,461,990.20

Finding the Fourth Proportional to 1,471,321.40, 2,206,982.10 and 1,461,990.20

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Solution

The fourth proportional to 1,471,321.40, 2,206,982.10 and 1,461,990.20 is: 2,192,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,321.40 : 2,206,982.10 = 1,461,990.20 : x
  2. Step 2: Convert to fraction form
    1,471,321.40/2,206,982.10 = 1,461,990.20/x
  3. Step 3: Cross multiply
    1,471,321.40x = 2,206,982.10 × 1,461,990.20
  4. Step 4: Simplify right side
    1,471,321.40x = 3,226,586,201,775.42
  5. Step 5: Solve for x
    x = 3,226,586,201,775.42/1,471,321.40
  6. Step 6: Final answer
    x = 2,192,985.30

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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.