Home / 5,123,692.75-7,686,885.11-1,841,378.57

Finding the Fourth Proportional to 5,123,692.75, 7,686,885.11 and 1,841,378.57

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Solution

The fourth proportional to 5,123,692.75, 7,686,885.11 and 1,841,378.57 is: 2,762,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,692.75 : 7,686,885.11 = 1,841,378.57 : x
  2. Step 2: Convert to fraction form
    5,123,692.75/7,686,885.11 = 1,841,378.57/x
  3. Step 3: Cross multiply
    5,123,692.75x = 7,686,885.11 × 1,841,378.57
  4. Step 4: Simplify right side
    5,123,692.75x = 14,154,465,511,606.09
  5. Step 5: Solve for x
    x = 14,154,465,511,606.09/5,123,692.75
  6. Step 6: Final answer
    x = 2,762,551.58

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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.