Home / 3,179,381.37-4,385,325.47-2,159,014.65

Finding the Fourth Proportional to 3,179,381.37, 4,385,325.47 and 2,159,014.65

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Solution

The fourth proportional to 3,179,381.37, 4,385,325.47 and 2,159,014.65 is: 2,977,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,381.37 : 4,385,325.47 = 2,159,014.65 : x
  2. Step 2: Convert to fraction form
    3,179,381.37/4,385,325.47 = 2,159,014.65/x
  3. Step 3: Cross multiply
    3,179,381.37x = 4,385,325.47 × 2,159,014.65
  4. Step 4: Simplify right side
    3,179,381.37x = 9,467,981,923,953.06
  5. Step 5: Solve for x
    x = 9,467,981,923,953.06/3,179,381.37
  6. Step 6: Final answer
    x = 2,977,932.13

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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.