Home / 2,164,922.88-2,989,063.68-1,349,452.80

Finding the Fourth Proportional to 2,164,922.88, 2,989,063.68 and 1,349,452.80

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Solution

The fourth proportional to 2,164,922.88, 2,989,063.68 and 1,349,452.80 is: 1,863,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,922.88 : 2,989,063.68 = 1,349,452.80 : x
  2. Step 2: Convert to fraction form
    2,164,922.88/2,989,063.68 = 1,349,452.80/x
  3. Step 3: Cross multiply
    2,164,922.88x = 2,989,063.68 × 1,349,452.80
  4. Step 4: Simplify right side
    2,164,922.88x = 4,033,600,352,354.30
  5. Step 5: Solve for x
    x = 4,033,600,352,354.30/2,164,922.88
  6. Step 6: Final answer
    x = 1,863,161.22

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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.