Home / 1,941,605.70-2,912,408.55-1,091,300.10

Finding the Fourth Proportional to 1,941,605.70, 2,912,408.55 and 1,091,300.10

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Solution

The fourth proportional to 1,941,605.70, 2,912,408.55 and 1,091,300.10 is: 1,636,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,605.70 : 2,912,408.55 = 1,091,300.10 : x
  2. Step 2: Convert to fraction form
    1,941,605.70/2,912,408.55 = 1,091,300.10/x
  3. Step 3: Cross multiply
    1,941,605.70x = 2,912,408.55 × 1,091,300.10
  4. Step 4: Simplify right side
    1,941,605.70x = 3,178,311,741,855.86
  5. Step 5: Solve for x
    x = 3,178,311,741,855.86/1,941,605.70
  6. Step 6: Final answer
    x = 1,636,950.15

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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.