Home / 3,910,235.40-5,396,340.42-2,191,907.88

Finding the Fourth Proportional to 3,910,235.40, 5,396,340.42 and 2,191,907.88

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Solution

The fourth proportional to 3,910,235.40, 5,396,340.42 and 2,191,907.88 is: 3,024,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,235.40 : 5,396,340.42 = 2,191,907.88 : x
  2. Step 2: Convert to fraction form
    3,910,235.40/5,396,340.42 = 2,191,907.88/x
  3. Step 3: Cross multiply
    3,910,235.40x = 5,396,340.42 × 2,191,907.88
  4. Step 4: Simplify right side
    3,910,235.40x = 11,828,281,089,760.51
  5. Step 5: Solve for x
    x = 11,828,281,089,760.51/3,910,235.40
  6. Step 6: Final answer
    x = 3,024,953.71

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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.