Home / 3,171,054.30-4,376,032.74-1,720,712.85

Finding the Fourth Proportional to 3,171,054.30, 4,376,032.74 and 1,720,712.85

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Solution

The fourth proportional to 3,171,054.30, 4,376,032.74 and 1,720,712.85 is: 2,374,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,054.30 : 4,376,032.74 = 1,720,712.85 : x
  2. Step 2: Convert to fraction form
    3,171,054.30/4,376,032.74 = 1,720,712.85/x
  3. Step 3: Cross multiply
    3,171,054.30x = 4,376,032.74 × 1,720,712.85
  4. Step 4: Simplify right side
    3,171,054.30x = 7,529,895,767,738.71
  5. Step 5: Solve for x
    x = 7,529,895,767,738.71/3,171,054.30
  6. Step 6: Final answer
    x = 2,374,571.69

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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.