Home / 4,874,076.10-7,311,114.15-1,279,605.70

Finding the Fourth Proportional to 4,874,076.10, 7,311,114.15 and 1,279,605.70

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Solution

The fourth proportional to 4,874,076.10, 7,311,114.15 and 1,279,605.70 is: 1,919,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874,076.10 : 7,311,114.15 = 1,279,605.70 : x
  2. Step 2: Convert to fraction form
    4,874,076.10/7,311,114.15 = 1,279,605.70/x
  3. Step 3: Cross multiply
    4,874,076.10x = 7,311,114.15 × 1,279,605.70
  4. Step 4: Simplify right side
    4,874,076.10x = 9,355,343,339,690.65
  5. Step 5: Solve for x
    x = 9,355,343,339,690.65/4,874,076.10
  6. Step 6: Final answer
    x = 1,919,408.55

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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.