Home / 3,208,436.32-4,427,220.72-1,918,806.16

Finding the Fourth Proportional to 3,208,436.32, 4,427,220.72 and 1,918,806.16

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Solution

The fourth proportional to 3,208,436.32, 4,427,220.72 and 1,918,806.16 is: 2,647,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,436.32 : 4,427,220.72 = 1,918,806.16 : x
  2. Step 2: Convert to fraction form
    3,208,436.32/4,427,220.72 = 1,918,806.16/x
  3. Step 3: Cross multiply
    3,208,436.32x = 4,427,220.72 × 1,918,806.16
  4. Step 4: Simplify right side
    3,208,436.32x = 8,494,978,389,215.64
  5. Step 5: Solve for x
    x = 8,494,978,389,215.64/3,208,436.32
  6. Step 6: Final answer
    x = 2,647,700.48

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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.