Home / 3,161,493.09-4,742,243.06-1,479,777.57

Finding the Fourth Proportional to 3,161,493.09, 4,742,243.06 and 1,479,777.57

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Solution

The fourth proportional to 3,161,493.09, 4,742,243.06 and 1,479,777.57 is: 2,219,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,493.09 : 4,742,243.06 = 1,479,777.57 : x
  2. Step 2: Convert to fraction form
    3,161,493.09/4,742,243.06 = 1,479,777.57/x
  3. Step 3: Cross multiply
    3,161,493.09x = 4,742,243.06 × 1,479,777.57
  4. Step 4: Simplify right side
    3,161,493.09x = 7,017,464,904,277.28
  5. Step 5: Solve for x
    x = 7,017,464,904,277.28/3,161,493.09
  6. Step 6: Final answer
    x = 2,219,667.96

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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.