Finding the Fourth Proportional to 5,519,849.22, 7,617,478.08 and 3,072,486.84
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Solution
The fourth proportional to 5,519,849.22, 7,617,478.08 and 3,072,486.84 is: 4,240,079.80
Step by Step Solution
- Step 1: Write the proportion equation
5,519,849.22 : 7,617,478.08 = 3,072,486.84 : x - Step 2: Convert to fraction form
5,519,849.22/7,617,478.08 = 3,072,486.84/x - Step 3: Cross multiply
5,519,849.22x = 7,617,478.08 × 3,072,486.84 - Step 4: Simplify right side
5,519,849.22x = 23,404,601,154,788.46 - Step 5: Solve for x
x = 23,404,601,154,788.46/5,519,849.22 - Step 6: Final answer
x = 4,240,079.80
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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.