Home / 3,646,676.39-5,470,960.31-1,939,415.79

Finding the Fourth Proportional to 3,646,676.39, 5,470,960.31 and 1,939,415.79

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Solution

The fourth proportional to 3,646,676.39, 5,470,960.31 and 1,939,415.79 is: 2,909,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,676.39 : 5,470,960.31 = 1,939,415.79 : x
  2. Step 2: Convert to fraction form
    3,646,676.39/5,470,960.31 = 1,939,415.79/x
  3. Step 3: Cross multiply
    3,646,676.39x = 5,470,960.31 × 1,939,415.79
  4. Step 4: Simplify right side
    3,646,676.39x = 10,610,466,801,980.21
  5. Step 5: Solve for x
    x = 10,610,466,801,980.21/3,646,676.39
  6. Step 6: Final answer
    x = 2,909,626.65

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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.