Home / 3,214,259.78-4,435,385.30-1,907,286.57

Finding the Fourth Proportional to 3,214,259.78, 4,435,385.30 and 1,907,286.57

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Solution

The fourth proportional to 3,214,259.78, 4,435,385.30 and 1,907,286.57 is: 2,631,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,259.78 : 4,435,385.30 = 1,907,286.57 : x
  2. Step 2: Convert to fraction form
    3,214,259.78/4,435,385.30 = 1,907,286.57/x
  3. Step 3: Cross multiply
    3,214,259.78x = 4,435,385.30 × 1,907,286.57
  4. Step 4: Simplify right side
    3,214,259.78x = 8,459,550,805,928.99
  5. Step 5: Solve for x
    x = 8,459,550,805,928.99/3,214,259.78
  6. Step 6: Final answer
    x = 2,631,881.49

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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.