Finding the Fourth Proportional to 3,175,795.33, 4,382,617.11 and 1,725,489.92
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Solution
The fourth proportional to 3,175,795.33, 4,382,617.11 and 1,725,489.92 is: 2,381,186.71
Step by Step Solution
- Step 1: Write the proportion equation
3,175,795.33 : 4,382,617.11 = 1,725,489.92 : x - Step 2: Convert to fraction form
3,175,795.33/4,382,617.11 = 1,725,489.92/x - Step 3: Cross multiply
3,175,795.33x = 4,382,617.11 × 1,725,489.92 - Step 4: Simplify right side
3,175,795.33x = 7,562,161,646,524.53 - Step 5: Solve for x
x = 7,562,161,646,524.53/3,175,795.33 - Step 6: Final answer
x = 2,381,186.71
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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.