Finding the Fourth Proportional to 6,645,409.98, 9,170,669.79 and 3,589,625.58
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Solution
The fourth proportional to 6,645,409.98, 9,170,669.79 and 3,589,625.58 is: 4,953,685.47
Step by Step Solution
- Step 1: Write the proportion equation
6,645,409.98 : 9,170,669.79 = 3,589,625.58 : x - Step 2: Convert to fraction form
6,645,409.98/9,170,669.79 = 3,589,625.58/x - Step 3: Cross multiply
6,645,409.98x = 9,170,669.79 × 3,589,625.58 - Step 4: Simplify right side
6,645,409.98x = 32,919,270,863,917.23 - Step 5: Solve for x
x = 32,919,270,863,917.23/6,645,409.98 - Step 6: Final answer
x = 4,953,685.47
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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.