Home / 4,990,386.60-7,489,079.10-3,197,629.80

Finding the Fourth Proportional to 4,990,386.60, 7,489,079.10 and 3,197,629.80

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Solution

The fourth proportional to 4,990,386.60, 7,489,079.10 and 3,197,629.80 is: 4,798,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,386.60 : 7,489,079.10 = 3,197,629.80 : x
  2. Step 2: Convert to fraction form
    4,990,386.60/7,489,079.10 = 3,197,629.80/x
  3. Step 3: Cross multiply
    4,990,386.60x = 7,489,079.10 × 3,197,629.80
  4. Step 4: Simplify right side
    4,990,386.60x = 23,947,302,504,717.18
  5. Step 5: Solve for x
    x = 23,947,302,504,717.18/4,990,386.60
  6. Step 6: Final answer
    x = 4,798,686.84

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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.