Finding the Fourth Proportional to 7,759,279.80, 11,638,919.84 and 2,367,957.87
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Solution
The fourth proportional to 7,759,279.80, 11,638,919.84 and 2,367,957.87 is: 3,551,936.85
Step by Step Solution
- Step 1: Write the proportion equation
7,759,279.80 : 11,638,919.84 = 2,367,957.87 : x - Step 2: Convert to fraction form
7,759,279.80/11,638,919.84 = 2,367,957.87/x - Step 3: Cross multiply
7,759,279.80x = 11,638,919.84 × 2,367,957.87 - Step 4: Simplify right side
7,759,279.80x = 27,560,471,821,587.36 - Step 5: Solve for x
x = 27,560,471,821,587.36/7,759,279.80 - Step 6: Final answer
x = 3,551,936.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.