Home / 2,888,922.52-3,986,706.63-1,665,219.94

Finding the Fourth Proportional to 2,888,922.52, 3,986,706.63 and 1,665,219.94

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Solution

The fourth proportional to 2,888,922.52, 3,986,706.63 and 1,665,219.94 is: 2,297,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,922.52 : 3,986,706.63 = 1,665,219.94 : x
  2. Step 2: Convert to fraction form
    2,888,922.52/3,986,706.63 = 1,665,219.94/x
  3. Step 3: Cross multiply
    2,888,922.52x = 3,986,706.63 × 1,665,219.94
  4. Step 4: Simplify right side
    2,888,922.52x = 6,638,743,375,206.20
  5. Step 5: Solve for x
    x = 6,638,743,375,206.20/2,888,922.52
  6. Step 6: Final answer
    x = 2,297,999.80

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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.