Finding the Fourth Proportional to 3,052,514.60, 4,212,486.42 and 1,907,259.08
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Solution
The fourth proportional to 3,052,514.60, 4,212,486.42 and 1,907,259.08 is: 2,632,027.70
Step by Step Solution
- Step 1: Write the proportion equation
3,052,514.60 : 4,212,486.42 = 1,907,259.08 : x - Step 2: Convert to fraction form
3,052,514.60/4,212,486.42 = 1,907,259.08/x - Step 3: Cross multiply
3,052,514.60x = 4,212,486.42 × 1,907,259.08 - Step 4: Simplify right side
3,052,514.60x = 8,034,302,973,921.69 - Step 5: Solve for x
x = 8,034,302,973,921.69/3,052,514.60 - Step 6: Final answer
x = 2,632,027.70
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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.