Home / 3,556,198.80-5,318,551.80-2,989,328.40

Finding the Fourth Proportional to 3,556,198.80, 5,318,551.80 and 2,989,328.40

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Solution

The fourth proportional to 3,556,198.80, 5,318,551.80 and 2,989,328.40 is: 4,470,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,198.80 : 5,318,551.80 = 2,989,328.40 : x
  2. Step 2: Convert to fraction form
    3,556,198.80/5,318,551.80 = 2,989,328.40/x
  3. Step 3: Cross multiply
    3,556,198.80x = 5,318,551.80 × 2,989,328.40
  4. Step 4: Simplify right side
    3,556,198.80x = 15,898,897,942,611.12
  5. Step 5: Solve for x
    x = 15,898,897,942,611.12/3,556,198.80
  6. Step 6: Final answer
    x = 4,470,756.23

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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.