Home / 3,219,485.23-4,441,920.78-1,929,855.07

Finding the Fourth Proportional to 3,219,485.23, 4,441,920.78 and 1,929,855.07

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Solution

The fourth proportional to 3,219,485.23, 4,441,920.78 and 1,929,855.07 is: 2,662,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,485.23 : 4,441,920.78 = 1,929,855.07 : x
  2. Step 2: Convert to fraction form
    3,219,485.23/4,441,920.78 = 1,929,855.07/x
  3. Step 3: Cross multiply
    3,219,485.23x = 4,441,920.78 × 1,929,855.07
  4. Step 4: Simplify right side
    3,219,485.23x = 8,572,263,339,755.28
  5. Step 5: Solve for x
    x = 8,572,263,339,755.28/3,219,485.23
  6. Step 6: Final answer
    x = 2,662,619.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.