Home / 2,074,214.40-3,111,321.72-654,381.24

Finding the Fourth Proportional to 2,074,214.40, 3,111,321.72 and 654,381.24

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Solution

The fourth proportional to 2,074,214.40, 3,111,321.72 and 654,381.24 is: 981,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,214.40 : 3,111,321.72 = 654,381.24 : x
  2. Step 2: Convert to fraction form
    2,074,214.40/3,111,321.72 = 654,381.24/x
  3. Step 3: Cross multiply
    2,074,214.40x = 3,111,321.72 × 654,381.24
  4. Step 4: Simplify right side
    2,074,214.40x = 2,035,990,565,172.53
  5. Step 5: Solve for x
    x = 2,035,990,565,172.53/2,074,214.40
  6. Step 6: Final answer
    x = 981,571.90

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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.