Home / 3,436,750.25-4,742,188.13-1,986,165.56

Finding the Fourth Proportional to 3,436,750.25, 4,742,188.13 and 1,986,165.56

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Solution

The fourth proportional to 3,436,750.25, 4,742,188.13 and 1,986,165.56 is: 2,740,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,750.25 : 4,742,188.13 = 1,986,165.56 : x
  2. Step 2: Convert to fraction form
    3,436,750.25/4,742,188.13 = 1,986,165.56/x
  3. Step 3: Cross multiply
    3,436,750.25x = 4,742,188.13 × 1,986,165.56
  4. Step 4: Simplify right side
    3,436,750.25x = 9,418,770,742,846.80
  5. Step 5: Solve for x
    x = 9,418,770,742,846.80/3,436,750.25
  6. Step 6: Final answer
    x = 2,740,603.78

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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.