Home / 1,939,973.92-2,904,992.28-1,619,328.54

Finding the Fourth Proportional to 1,939,973.92, 2,904,992.28 and 1,619,328.54

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Solution

The fourth proportional to 1,939,973.92, 2,904,992.28 and 1,619,328.54 is: 2,424,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,973.92 : 2,904,992.28 = 1,619,328.54 : x
  2. Step 2: Convert to fraction form
    1,939,973.92/2,904,992.28 = 1,619,328.54/x
  3. Step 3: Cross multiply
    1,939,973.92x = 2,904,992.28 × 1,619,328.54
  4. Step 4: Simplify right side
    1,939,973.92x = 4,704,136,907,483.67
  5. Step 5: Solve for x
    x = 4,704,136,907,483.67/1,939,973.92
  6. Step 6: Final answer
    x = 2,424,845.44

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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.