Finding the Fourth Proportional to 5,475,554.64, 7,553,982.11 and 3,151,891.17
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Solution
The fourth proportional to 5,475,554.64, 7,553,982.11 and 3,151,891.17 is: 4,348,295.48
Step by Step Solution
- Step 1: Write the proportion equation
5,475,554.64 : 7,553,982.11 = 3,151,891.17 : x - Step 2: Convert to fraction form
5,475,554.64/7,553,982.11 = 3,151,891.17/x - Step 3: Cross multiply
5,475,554.64x = 7,553,982.11 × 3,151,891.17 - Step 4: Simplify right side
5,475,554.64x = 23,809,329,495,087.52 - Step 5: Solve for x
x = 23,809,329,495,087.52/5,475,554.64 - Step 6: Final answer
x = 4,348,295.48
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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.