Home / 3,939,005.63-5,435,822.50-2,128,169.63

Finding the Fourth Proportional to 3,939,005.63, 5,435,822.50 and 2,128,169.63

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Solution

The fourth proportional to 3,939,005.63, 5,435,822.50 and 2,128,169.63 is: 2,936,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,005.63 : 5,435,822.50 = 2,128,169.63 : x
  2. Step 2: Convert to fraction form
    3,939,005.63/5,435,822.50 = 2,128,169.63/x
  3. Step 3: Cross multiply
    3,939,005.63x = 5,435,822.50 × 2,128,169.63
  4. Step 4: Simplify right side
    3,939,005.63x = 11,568,352,358,570.67
  5. Step 5: Solve for x
    x = 11,568,352,358,570.67/3,939,005.63
  6. Step 6: Final answer
    x = 2,936,871.24

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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.