Finding the Fourth Proportional to 6,976,165.36, 9,627,220.16 and 3,836,553.12
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Solution
The fourth proportional to 6,976,165.36, 9,627,220.16 and 3,836,553.12 is: 5,294,504.88
Step by Step Solution
- Step 1: Write the proportion equation
6,976,165.36 : 9,627,220.16 = 3,836,553.12 : x - Step 2: Convert to fraction form
6,976,165.36/9,627,220.16 = 3,836,553.12/x - Step 3: Cross multiply
6,976,165.36x = 9,627,220.16 × 3,836,553.12 - Step 4: Simplify right side
6,976,165.36x = 36,935,341,541,774.90 - Step 5: Solve for x
x = 36,935,341,541,774.90/6,976,165.36 - Step 6: Final answer
x = 5,294,504.88
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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.