Home / 3,612,173.60-5,418,087.60-1,215,783.20

Finding the Fourth Proportional to 3,612,173.60, 5,418,087.60 and 1,215,783.20

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Solution

The fourth proportional to 3,612,173.60, 5,418,087.60 and 1,215,783.20 is: 1,823,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,173.60 : 5,418,087.60 = 1,215,783.20 : x
  2. Step 2: Convert to fraction form
    3,612,173.60/5,418,087.60 = 1,215,783.20/x
  3. Step 3: Cross multiply
    3,612,173.60x = 5,418,087.60 × 1,215,783.20
  4. Step 4: Simplify right side
    3,612,173.60x = 6,587,219,880,208.32
  5. Step 5: Solve for x
    x = 6,587,219,880,208.32/3,612,173.60
  6. Step 6: Final answer
    x = 1,823,616.64

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1.5x scale

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.