Home / 3,171,047.80-4,376,023.77-1,720,706.35

Finding the Fourth Proportional to 3,171,047.80, 4,376,023.77 and 1,720,706.35

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Solution

The fourth proportional to 3,171,047.80, 4,376,023.77 and 1,720,706.35 is: 2,374,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,047.80 : 4,376,023.77 = 1,720,706.35 : x
  2. Step 2: Convert to fraction form
    3,171,047.80/4,376,023.77 = 1,720,706.35/x
  3. Step 3: Cross multiply
    3,171,047.80x = 4,376,023.77 × 1,720,706.35
  4. Step 4: Simplify right side
    3,171,047.80x = 7,529,851,888,789.94
  5. Step 5: Solve for x
    x = 7,529,851,888,789.94/3,171,047.80
  6. Step 6: Final answer
    x = 2,374,562.72

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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.