Finding the Fourth Proportional to 6,645,409.48, 9,170,669.10 and 3,589,625.08
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Solution
The fourth proportional to 6,645,409.48, 9,170,669.10 and 3,589,625.08 is: 4,953,684.78
Step by Step Solution
- Step 1: Write the proportion equation
6,645,409.48 : 9,170,669.10 = 3,589,625.08 : x - Step 2: Convert to fraction form
6,645,409.48/9,170,669.10 = 3,589,625.08/x - Step 3: Cross multiply
6,645,409.48x = 9,170,669.10 × 3,589,625.08 - Step 4: Simplify right side
6,645,409.48x = 32,919,263,801,741.03 - Step 5: Solve for x
x = 32,919,263,801,741.03/6,645,409.48 - Step 6: Final answer
x = 4,953,684.78
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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.