Home / 3,422,352.51-5,138,575.20-1,908,992.25

Finding the Fourth Proportional to 3,422,352.51, 5,138,575.20 and 1,908,992.25

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Solution

The fourth proportional to 3,422,352.51, 5,138,575.20 and 1,908,992.25 is: 2,866,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,352.51 : 5,138,575.20 = 1,908,992.25 : x
  2. Step 2: Convert to fraction form
    3,422,352.51/5,138,575.20 = 1,908,992.25/x
  3. Step 3: Cross multiply
    3,422,352.51x = 5,138,575.20 × 1,908,992.25
  4. Step 4: Simplify right side
    3,422,352.51x = 9,809,500,232,842.20
  5. Step 5: Solve for x
    x = 9,809,500,232,842.20/3,422,352.51
  6. Step 6: Final answer
    x = 2,866,303.28

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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.