Home / 3,171,055.30-4,376,034.12-1,720,713.85

Finding the Fourth Proportional to 3,171,055.30, 4,376,034.12 and 1,720,713.85

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Solution

The fourth proportional to 3,171,055.30, 4,376,034.12 and 1,720,713.85 is: 2,374,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,055.30 : 4,376,034.12 = 1,720,713.85 : x
  2. Step 2: Convert to fraction form
    3,171,055.30/4,376,034.12 = 1,720,713.85/x
  3. Step 3: Cross multiply
    3,171,055.30x = 4,376,034.12 × 1,720,713.85
  4. Step 4: Simplify right side
    3,171,055.30x = 7,529,902,518,356.56
  5. Step 5: Solve for x
    x = 7,529,902,518,356.56/3,171,055.30
  6. Step 6: Final answer
    x = 2,374,573.07

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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.