Home / 2,155,221.24-3,232,714.68-659,313.24

Finding the Fourth Proportional to 2,155,221.24, 3,232,714.68 and 659,313.24

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Solution

The fourth proportional to 2,155,221.24, 3,232,714.68 and 659,313.24 is: 988,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,221.24 : 3,232,714.68 = 659,313.24 : x
  2. Step 2: Convert to fraction form
    2,155,221.24/3,232,714.68 = 659,313.24/x
  3. Step 3: Cross multiply
    2,155,221.24x = 3,232,714.68 × 659,313.24
  4. Step 4: Simplify right side
    2,155,221.24x = 2,131,371,589,666.36
  5. Step 5: Solve for x
    x = 2,131,371,589,666.36/2,155,221.24
  6. Step 6: Final answer
    x = 988,934.01

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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.