Finding the Fourth Proportional to 3,775,623.84, 5,659,643.48 and 1,214,956.80
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Solution
The fourth proportional to 3,775,623.84, 5,659,643.48 and 1,214,956.80 is: 1,821,214.88
Step by Step Solution
- Step 1: Write the proportion equation
3,775,623.84 : 5,659,643.48 = 1,214,956.80 : x - Step 2: Convert to fraction form
3,775,623.84/5,659,643.48 = 1,214,956.80/x - Step 3: Cross multiply
3,775,623.84x = 5,659,643.48 × 1,214,956.80 - Step 4: Simplify right side
3,775,623.84x = 6,876,222,331,601.67 - Step 5: Solve for x
x = 6,876,222,331,601.67/3,775,623.84 - Step 6: Final answer
x = 1,821,214.88
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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.