Finding the Fourth Proportional to 4,338,702.31, 5,987,279.41 and 2,378,513.38
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Solution
The fourth proportional to 4,338,702.31, 5,987,279.41 and 2,378,513.38 is: 3,282,277.32
Step by Step Solution
- Step 1: Write the proportion equation
4,338,702.31 : 5,987,279.41 = 2,378,513.38 : x - Step 2: Convert to fraction form
4,338,702.31/5,987,279.41 = 2,378,513.38/x - Step 3: Cross multiply
4,338,702.31x = 5,987,279.41 × 2,378,513.38 - Step 4: Simplify right side
4,338,702.31x = 14,240,824,190,174.31 - Step 5: Solve for x
x = 14,240,824,190,174.31/4,338,702.31 - Step 6: Final answer
x = 3,282,277.32
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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.