Home / 5,147,115.22-7,720,728.72-1,552,914.37

Finding the Fourth Proportional to 5,147,115.22, 7,720,728.72 and 1,552,914.37

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Solution

The fourth proportional to 5,147,115.22, 7,720,728.72 and 1,552,914.37 is: 2,329,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,115.22 : 7,720,728.72 = 1,552,914.37 : x
  2. Step 2: Convert to fraction form
    5,147,115.22/7,720,728.72 = 1,552,914.37/x
  3. Step 3: Cross multiply
    5,147,115.22x = 7,720,728.72 × 1,552,914.37
  4. Step 4: Simplify right side
    5,147,115.22x = 11,989,630,576,159.71
  5. Step 5: Solve for x
    x = 11,989,630,576,159.71/5,147,115.22
  6. Step 6: Final answer
    x = 2,329,388.42

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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.