Home / 3,931,509.96-5,424,586.20-2,212,003.08

Finding the Fourth Proportional to 3,931,509.96, 5,424,586.20 and 2,212,003.08

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Solution

The fourth proportional to 3,931,509.96, 5,424,586.20 and 2,212,003.08 is: 3,052,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,509.96 : 5,424,586.20 = 2,212,003.08 : x
  2. Step 2: Convert to fraction form
    3,931,509.96/5,424,586.20 = 2,212,003.08/x
  3. Step 3: Cross multiply
    3,931,509.96x = 5,424,586.20 × 2,212,003.08
  4. Step 4: Simplify right side
    3,931,509.96x = 11,999,201,382,125.50
  5. Step 5: Solve for x
    x = 11,999,201,382,125.50/3,931,509.96
  6. Step 6: Final answer
    x = 3,052,059.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.