Finding the Fourth Proportional to 5,370,261.76, 8,055,414.36 and 2,175,448.36
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Solution
The fourth proportional to 5,370,261.76, 8,055,414.36 and 2,175,448.36 is: 3,263,181.34
Step by Step Solution
- Step 1: Write the proportion equation
5,370,261.76 : 8,055,414.36 = 2,175,448.36 : x - Step 2: Convert to fraction form
5,370,261.76/8,055,414.36 = 2,175,448.36/x - Step 3: Cross multiply
5,370,261.76x = 8,055,414.36 × 2,175,448.36 - Step 4: Simplify right side
5,370,261.76x = 17,524,137,958,582.45 - Step 5: Solve for x
x = 17,524,137,958,582.45/5,370,261.76 - Step 6: Final answer
x = 3,263,181.34
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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.