Home / 3,130,087.05-4,695,447.69-1,080,480.47

Finding the Fourth Proportional to 3,130,087.05, 4,695,447.69 and 1,080,480.47

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Solution

The fourth proportional to 3,130,087.05, 4,695,447.69 and 1,080,480.47 is: 1,620,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,087.05 : 4,695,447.69 = 1,080,480.47 : x
  2. Step 2: Convert to fraction form
    3,130,087.05/4,695,447.69 = 1,080,480.47/x
  3. Step 3: Cross multiply
    3,130,087.05x = 4,695,447.69 × 1,080,480.47
  4. Step 4: Simplify right side
    3,130,087.05x = 5,073,339,503,474.38
  5. Step 5: Solve for x
    x = 5,073,339,503,474.38/3,130,087.05
  6. Step 6: Final answer
    x = 1,620,830.16

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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.