Finding the Fourth Proportional to 5,500,578.62, 7,589,989.53 and 3,053,208.08
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Solution
The fourth proportional to 5,500,578.62, 7,589,989.53 and 3,053,208.08 is: 4,212,978.12
Step by Step Solution
- Step 1: Write the proportion equation
5,500,578.62 : 7,589,989.53 = 3,053,208.08 : x - Step 2: Convert to fraction form
5,500,578.62/7,589,989.53 = 3,053,208.08/x - Step 3: Cross multiply
5,500,578.62x = 7,589,989.53 × 3,053,208.08 - Step 4: Simplify right side
5,500,578.62x = 23,173,817,360,111.40 - Step 5: Solve for x
x = 23,173,817,360,111.40/5,500,578.62 - Step 6: Final answer
x = 4,212,978.12
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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.