Home / 3,740,308.08-5,161,648.77-2,021,424.54

Finding the Fourth Proportional to 3,740,308.08, 5,161,648.77 and 2,021,424.54

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Solution

The fourth proportional to 3,740,308.08, 5,161,648.77 and 2,021,424.54 is: 2,789,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,308.08 : 5,161,648.77 = 2,021,424.54 : x
  2. Step 2: Convert to fraction form
    3,740,308.08/5,161,648.77 = 2,021,424.54/x
  3. Step 3: Cross multiply
    3,740,308.08x = 5,161,648.77 × 2,021,424.54
  4. Step 4: Simplify right side
    3,740,308.08x = 10,433,883,490,538.81
  5. Step 5: Solve for x
    x = 10,433,883,490,538.81/3,740,308.08
  6. Step 6: Final answer
    x = 2,789,578.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.