Home / 2,699,289.64-4,048,942.14-780,357.06

Finding the Fourth Proportional to 2,699,289.64, 4,048,942.14 and 780,357.06

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Solution

The fourth proportional to 2,699,289.64, 4,048,942.14 and 780,357.06 is: 1,170,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,289.64 : 4,048,942.14 = 780,357.06 : x
  2. Step 2: Convert to fraction form
    2,699,289.64/4,048,942.14 = 780,357.06/x
  3. Step 3: Cross multiply
    2,699,289.64x = 4,048,942.14 × 780,357.06
  4. Step 4: Simplify right side
    2,699,289.64x = 3,159,620,584,480.51
  5. Step 5: Solve for x
    x = 3,159,620,584,480.51/2,699,289.64
  6. Step 6: Final answer
    x = 1,170,537.81

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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.