Home / 5,628,904.80-8,442,709.20-1,639,816.80

Finding the Fourth Proportional to 5,628,904.80, 8,442,709.20 and 1,639,816.80

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Solution

The fourth proportional to 5,628,904.80, 8,442,709.20 and 1,639,816.80 is: 2,459,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628,904.80 : 8,442,709.20 = 1,639,816.80 : x
  2. Step 2: Convert to fraction form
    5,628,904.80/8,442,709.20 = 1,639,816.80/x
  3. Step 3: Cross multiply
    5,628,904.80x = 8,442,709.20 × 1,639,816.80
  4. Step 4: Simplify right side
    5,628,904.80x = 13,844,496,383,674.56
  5. Step 5: Solve for x
    x = 13,844,496,383,674.56/5,628,904.80
  6. Step 6: Final answer
    x = 2,459,536.42

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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.