Home / 3,052,486.60-4,212,447.78-1,907,231.20

Finding the Fourth Proportional to 3,052,486.60, 4,212,447.78 and 1,907,231.20

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Solution

The fourth proportional to 3,052,486.60, 4,212,447.78 and 1,907,231.20 is: 2,631,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052,486.60 : 4,212,447.78 = 1,907,231.20 : x
  2. Step 2: Convert to fraction form
    3,052,486.60/4,212,447.78 = 1,907,231.20/x
  3. Step 3: Cross multiply
    3,052,486.60x = 4,212,447.78 × 1,907,231.20
  4. Step 4: Simplify right side
    3,052,486.60x = 8,034,111,834,386.74
  5. Step 5: Solve for x
    x = 8,034,111,834,386.74/3,052,486.60
  6. Step 6: Final answer
    x = 2,631,989.22

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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.