Home / 3,171,075-4,376,095.28-1,720,770.72

Finding the Fourth Proportional to 3,171,075, 4,376,095.28 and 1,720,770.72

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Solution

The fourth proportional to 3,171,075, 4,376,095.28 and 1,720,770.72 is: 2,374,669.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,075 : 4,376,095.28 = 1,720,770.72 : x
  2. Step 2: Convert to fraction form
    3,171,075/4,376,095.28 = 1,720,770.72/x
  3. Step 3: Cross multiply
    3,171,075x = 4,376,095.28 × 1,720,770.72
  4. Step 4: Simplify right side
    3,171,075x = 7,530,256,625,754.20
  5. Step 5: Solve for x
    x = 7,530,256,625,754.20/3,171,075
  6. Step 6: Final answer
    x = 2,374,669.99

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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.