Home / 3,160,980.45-4,738,564.19-1,138,729.89

Finding the Fourth Proportional to 3,160,980.45, 4,738,564.19 and 1,138,729.89

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Solution

The fourth proportional to 3,160,980.45, 4,738,564.19 and 1,138,729.89 is: 1,707,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,980.45 : 4,738,564.19 = 1,138,729.89 : x
  2. Step 2: Convert to fraction form
    3,160,980.45/4,738,564.19 = 1,138,729.89/x
  3. Step 3: Cross multiply
    3,160,980.45x = 4,738,564.19 × 1,138,729.89
  4. Step 4: Simplify right side
    3,160,980.45x = 5,395,944,699,453.08
  5. Step 5: Solve for x
    x = 5,395,944,699,453.08/3,160,980.45
  6. Step 6: Final answer
    x = 1,707,047.79

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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.