Home / 1,977,274.69-2,728,776.41-1,106,396.25

Finding the Fourth Proportional to 1,977,274.69, 2,728,776.41 and 1,106,396.25

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Solution

The fourth proportional to 1,977,274.69, 2,728,776.41 and 1,106,396.25 is: 1,526,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,274.69 : 2,728,776.41 = 1,106,396.25 : x
  2. Step 2: Convert to fraction form
    1,977,274.69/2,728,776.41 = 1,106,396.25/x
  3. Step 3: Cross multiply
    1,977,274.69x = 2,728,776.41 × 1,106,396.25
  4. Step 4: Simplify right side
    1,977,274.69x = 3,019,107,987,112.46
  5. Step 5: Solve for x
    x = 3,019,107,987,112.46/1,977,274.69
  6. Step 6: Final answer
    x = 1,526,903.67

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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.