Finding the Fourth Proportional to 6,399,647.84, 8,832,059.16 and 3,647,177.12
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Solution
The fourth proportional to 6,399,647.84, 8,832,059.16 and 3,647,177.12 is: 5,033,415.10
Step by Step Solution
- Step 1: Write the proportion equation
6,399,647.84 : 8,832,059.16 = 3,647,177.12 : x - Step 2: Convert to fraction form
6,399,647.84/8,832,059.16 = 3,647,177.12/x - Step 3: Cross multiply
6,399,647.84x = 8,832,059.16 × 3,647,177.12 - Step 4: Simplify right side
6,399,647.84x = 32,212,084,090,838.42 - Step 5: Solve for x
x = 32,212,084,090,838.42/6,399,647.84 - Step 6: Final answer
x = 5,033,415.10
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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.