Home / 1,920,123.70-2,880,185.55-1,704,469.30

Finding the Fourth Proportional to 1,920,123.70, 2,880,185.55 and 1,704,469.30

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Solution

The fourth proportional to 1,920,123.70, 2,880,185.55 and 1,704,469.30 is: 2,556,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,123.70 : 2,880,185.55 = 1,704,469.30 : x
  2. Step 2: Convert to fraction form
    1,920,123.70/2,880,185.55 = 1,704,469.30/x
  3. Step 3: Cross multiply
    1,920,123.70x = 2,880,185.55 × 1,704,469.30
  4. Step 4: Simplify right side
    1,920,123.70x = 4,909,187,848,278.62
  5. Step 5: Solve for x
    x = 4,909,187,848,278.62/1,920,123.70
  6. Step 6: Final answer
    x = 2,556,703.95

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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.