Home / 3,208,806.36-4,813,110.72-1,314,120.78

Finding the Fourth Proportional to 3,208,806.36, 4,813,110.72 and 1,314,120.78

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Solution

The fourth proportional to 3,208,806.36, 4,813,110.72 and 1,314,120.78 is: 1,971,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,806.36 : 4,813,110.72 = 1,314,120.78 : x
  2. Step 2: Convert to fraction form
    3,208,806.36/4,813,110.72 = 1,314,120.78/x
  3. Step 3: Cross multiply
    3,208,806.36x = 4,813,110.72 × 1,314,120.78
  4. Step 4: Simplify right side
    3,208,806.36x = 6,325,008,813,592.76
  5. Step 5: Solve for x
    x = 6,325,008,813,592.76/3,208,806.36
  6. Step 6: Final answer
    x = 1,971,140.70

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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.