Home / 1,927,185.06-2,889,657.09-729,199.76

Finding the Fourth Proportional to 1,927,185.06, 2,889,657.09 and 729,199.76

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Solution

The fourth proportional to 1,927,185.06, 2,889,657.09 and 729,199.76 is: 1,093,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,185.06 : 2,889,657.09 = 729,199.76 : x
  2. Step 2: Convert to fraction form
    1,927,185.06/2,889,657.09 = 729,199.76/x
  3. Step 3: Cross multiply
    1,927,185.06x = 2,889,657.09 × 729,199.76
  4. Step 4: Simplify right side
    1,927,185.06x = 2,107,137,256,510.30
  5. Step 5: Solve for x
    x = 2,107,137,256,510.30/1,927,185.06
  6. Step 6: Final answer
    x = 1,093,375.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.