Home / 3,436,749.25-4,742,186.75-1,986,164.56

Finding the Fourth Proportional to 3,436,749.25, 4,742,186.75 and 1,986,164.56

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Solution

The fourth proportional to 3,436,749.25, 4,742,186.75 and 1,986,164.56 is: 2,740,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,749.25 : 4,742,186.75 = 1,986,164.56 : x
  2. Step 2: Convert to fraction form
    3,436,749.25/4,742,186.75 = 1,986,164.56/x
  3. Step 3: Cross multiply
    3,436,749.25x = 4,742,186.75 × 1,986,164.56
  4. Step 4: Simplify right side
    3,436,749.25x = 9,418,763,263,196.61
  5. Step 5: Solve for x
    x = 9,418,763,263,196.61/3,436,749.25
  6. Step 6: Final answer
    x = 2,740,602.41

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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.