Finding the Fourth Proportional to 3,084,405.42, 4,256,612.46 and 1,707,749.09
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Solution
The fourth proportional to 3,084,405.42, 4,256,612.46 and 1,707,749.09 is: 2,356,767.36
Step by Step Solution
- Step 1: Write the proportion equation
3,084,405.42 : 4,256,612.46 = 1,707,749.09 : x - Step 2: Convert to fraction form
3,084,405.42/4,256,612.46 = 1,707,749.09/x - Step 3: Cross multiply
3,084,405.42x = 4,256,612.46 × 1,707,749.09 - Step 4: Simplify right side
3,084,405.42x = 7,269,226,033,764.60 - Step 5: Solve for x
x = 7,269,226,033,764.60/3,084,405.42 - Step 6: Final answer
x = 2,356,767.36
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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.