Home / 5,568,880.40-7,685,410.12-3,121,492.08

Finding the Fourth Proportional to 5,568,880.40, 7,685,410.12 and 3,121,492.08

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Solution

The fourth proportional to 5,568,880.40, 7,685,410.12 and 3,121,492.08 is: 4,307,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568,880.40 : 7,685,410.12 = 3,121,492.08 : x
  2. Step 2: Convert to fraction form
    5,568,880.40/7,685,410.12 = 3,121,492.08/x
  3. Step 3: Cross multiply
    5,568,880.40x = 7,685,410.12 × 3,121,492.08
  4. Step 4: Simplify right side
    5,568,880.40x = 23,989,946,821,131.85
  5. Step 5: Solve for x
    x = 23,989,946,821,131.85/5,568,880.40
  6. Step 6: Final answer
    x = 4,307,858.15

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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.