Home / 3,218,683.40-4,821,026.70-1,954,305.80

Finding the Fourth Proportional to 3,218,683.40, 4,821,026.70 and 1,954,305.80

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Solution

The fourth proportional to 3,218,683.40, 4,821,026.70 and 1,954,305.80 is: 2,927,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,683.40 : 4,821,026.70 = 1,954,305.80 : x
  2. Step 2: Convert to fraction form
    3,218,683.40/4,821,026.70 = 1,954,305.80/x
  3. Step 3: Cross multiply
    3,218,683.40x = 4,821,026.70 × 1,954,305.80
  4. Step 4: Simplify right side
    3,218,683.40x = 9,421,760,441,764.86
  5. Step 5: Solve for x
    x = 9,421,760,441,764.86/3,218,683.40
  6. Step 6: Final answer
    x = 2,927,209.44

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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.