Home / 2,189,864.80-3,284,797.20-1,010,216.80

Finding the Fourth Proportional to 2,189,864.80, 3,284,797.20 and 1,010,216.80

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Solution

The fourth proportional to 2,189,864.80, 3,284,797.20 and 1,010,216.80 is: 1,515,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,864.80 : 3,284,797.20 = 1,010,216.80 : x
  2. Step 2: Convert to fraction form
    2,189,864.80/3,284,797.20 = 1,010,216.80/x
  3. Step 3: Cross multiply
    2,189,864.80x = 3,284,797.20 × 1,010,216.80
  4. Step 4: Simplify right side
    2,189,864.80x = 3,318,357,316,032.96
  5. Step 5: Solve for x
    x = 3,318,357,316,032.96/2,189,864.80
  6. Step 6: Final answer
    x = 1,515,325.20

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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.