Home / 2,559,915.78-3,840,143.55-853,464.27

Finding the Fourth Proportional to 2,559,915.78, 3,840,143.55 and 853,464.27

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Solution

The fourth proportional to 2,559,915.78, 3,840,143.55 and 853,464.27 is: 1,280,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559,915.78 : 3,840,143.55 = 853,464.27 : x
  2. Step 2: Convert to fraction form
    2,559,915.78/3,840,143.55 = 853,464.27/x
  3. Step 3: Cross multiply
    2,559,915.78x = 3,840,143.55 × 853,464.27
  4. Step 4: Simplify right side
    2,559,915.78x = 3,277,425,311,595.96
  5. Step 5: Solve for x
    x = 3,277,425,311,595.96/2,559,915.78
  6. Step 6: Final answer
    x = 1,280,286.38

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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.