Home / 3,931,282.65-5,424,272.47-2,211,775.77

Finding the Fourth Proportional to 3,931,282.65, 5,424,272.47 and 2,211,775.77

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Solution

The fourth proportional to 3,931,282.65, 5,424,272.47 and 2,211,775.77 is: 3,051,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,282.65 : 5,424,272.47 = 2,211,775.77 : x
  2. Step 2: Convert to fraction form
    3,931,282.65/5,424,272.47 = 2,211,775.77/x
  3. Step 3: Cross multiply
    3,931,282.65x = 5,424,272.47 × 2,211,775.77
  4. Step 4: Simplify right side
    3,931,282.65x = 11,997,274,419,024.05
  5. Step 5: Solve for x
    x = 11,997,274,419,024.05/3,931,282.65
  6. Step 6: Final answer
    x = 3,051,745.57

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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.