Home / 5,349,852.78-8,025,388.11-1,939,745.31

Finding the Fourth Proportional to 5,349,852.78, 8,025,388.11 and 1,939,745.31

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Solution

The fourth proportional to 5,349,852.78, 8,025,388.11 and 1,939,745.31 is: 2,909,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349,852.78 : 8,025,388.11 = 1,939,745.31 : x
  2. Step 2: Convert to fraction form
    5,349,852.78/8,025,388.11 = 1,939,745.31/x
  3. Step 3: Cross multiply
    5,349,852.78x = 8,025,388.11 × 1,939,745.31
  4. Step 4: Simplify right side
    5,349,852.78x = 15,567,208,947,302.27
  5. Step 5: Solve for x
    x = 15,567,208,947,302.27/5,349,852.78
  6. Step 6: Final answer
    x = 2,909,838.75

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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.