Home / 3,971,486.40-5,958,784.80-1,447,396.80

Finding the Fourth Proportional to 3,971,486.40, 5,958,784.80 and 1,447,396.80

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Solution

The fourth proportional to 3,971,486.40, 5,958,784.80 and 1,447,396.80 is: 2,171,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,486.40 : 5,958,784.80 = 1,447,396.80 : x
  2. Step 2: Convert to fraction form
    3,971,486.40/5,958,784.80 = 1,447,396.80/x
  3. Step 3: Cross multiply
    3,971,486.40x = 5,958,784.80 × 1,447,396.80
  4. Step 4: Simplify right side
    3,971,486.40x = 8,624,726,051,408.64
  5. Step 5: Solve for x
    x = 8,624,726,051,408.64/3,971,486.40
  6. Step 6: Final answer
    x = 2,171,661.99

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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.