Home / 3,320,284.57-4,987,064.40-3,211,328.23

Finding the Fourth Proportional to 3,320,284.57, 4,987,064.40 and 3,211,328.23

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Solution

The fourth proportional to 3,320,284.57, 4,987,064.40 and 3,211,328.23 is: 4,823,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,284.57 : 4,987,064.40 = 3,211,328.23 : x
  2. Step 2: Convert to fraction form
    3,320,284.57/4,987,064.40 = 3,211,328.23/x
  3. Step 3: Cross multiply
    3,320,284.57x = 4,987,064.40 × 3,211,328.23
  4. Step 4: Simplify right side
    3,320,284.57x = 16,015,100,692,548.01
  5. Step 5: Solve for x
    x = 16,015,100,692,548.01/3,320,284.57
  6. Step 6: Final answer
    x = 4,823,412.08

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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.