Home / 4,978,048.20-7,467,072.30-2,586,563.70

Finding the Fourth Proportional to 4,978,048.20, 7,467,072.30 and 2,586,563.70

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Solution

The fourth proportional to 4,978,048.20, 7,467,072.30 and 2,586,563.70 is: 3,879,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,048.20 : 7,467,072.30 = 2,586,563.70 : x
  2. Step 2: Convert to fraction form
    4,978,048.20/7,467,072.30 = 2,586,563.70/x
  3. Step 3: Cross multiply
    4,978,048.20x = 7,467,072.30 × 2,586,563.70
  4. Step 4: Simplify right side
    4,978,048.20x = 19,314,058,156,455.51
  5. Step 5: Solve for x
    x = 19,314,058,156,455.51/4,978,048.20
  6. Step 6: Final answer
    x = 3,879,845.55

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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.