Finding the Fourth Proportional to 5,364,296.62, 7,402,767.84 and 2,916,890.12
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Solution
The fourth proportional to 5,364,296.62, 7,402,767.84 and 2,916,890.12 is: 4,025,329.31
Step by Step Solution
- Step 1: Write the proportion equation
5,364,296.62 : 7,402,767.84 = 2,916,890.12 : x - Step 2: Convert to fraction form
5,364,296.62/7,402,767.84 = 2,916,890.12/x - Step 3: Cross multiply
5,364,296.62x = 7,402,767.84 × 2,916,890.12 - Step 4: Simplify right side
5,364,296.62x = 21,593,060,391,656.66 - Step 5: Solve for x
x = 21,593,060,391,656.66/5,364,296.62 - Step 6: Final answer
x = 4,025,329.31
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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.