Home / 1,912,178.67-2,638,706.39-1,052,571.03

Finding the Fourth Proportional to 1,912,178.67, 2,638,706.39 and 1,052,571.03

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Solution

The fourth proportional to 1,912,178.67, 2,638,706.39 and 1,052,571.03 is: 1,452,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,178.67 : 2,638,706.39 = 1,052,571.03 : x
  2. Step 2: Convert to fraction form
    1,912,178.67/2,638,706.39 = 1,052,571.03/x
  3. Step 3: Cross multiply
    1,912,178.67x = 2,638,706.39 × 1,052,571.03
  4. Step 4: Simplify right side
    1,912,178.67x = 2,777,425,905,421.31
  5. Step 5: Solve for x
    x = 2,777,425,905,421.31/1,912,178.67
  6. Step 6: Final answer
    x = 1,452,492.88

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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.