Home / 5,358,443.89-7,394,704.38-2,911,072.45

Finding the Fourth Proportional to 5,358,443.89, 7,394,704.38 and 2,911,072.45

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Solution

The fourth proportional to 5,358,443.89, 7,394,704.38 and 2,911,072.45 is: 4,017,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358,443.89 : 7,394,704.38 = 2,911,072.45 : x
  2. Step 2: Convert to fraction form
    5,358,443.89/7,394,704.38 = 2,911,072.45/x
  3. Step 3: Cross multiply
    5,358,443.89x = 7,394,704.38 × 2,911,072.45
  4. Step 4: Simplify right side
    5,358,443.89x = 21,526,520,178,025.57
  5. Step 5: Solve for x
    x = 21,526,520,178,025.57/5,358,443.89
  6. Step 6: Final answer
    x = 4,017,308.13

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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.