Home / 3,171,125.03-4,376,163.98-1,720,820.40

Finding the Fourth Proportional to 3,171,125.03, 4,376,163.98 and 1,720,820.40

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Solution

The fourth proportional to 3,171,125.03, 4,376,163.98 and 1,720,820.40 is: 2,374,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,125.03 : 4,376,163.98 = 1,720,820.40 : x
  2. Step 2: Convert to fraction form
    3,171,125.03/4,376,163.98 = 1,720,820.40/x
  3. Step 3: Cross multiply
    3,171,125.03x = 4,376,163.98 × 1,720,820.40
  4. Step 4: Simplify right side
    3,171,125.03x = 7,530,592,238,420.63
  5. Step 5: Solve for x
    x = 7,530,592,238,420.63/3,171,125.03
  6. Step 6: Final answer
    x = 2,374,738.36

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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.