Finding the Fourth Proportional to 3,239,578.24, 4,471,482.64 and 1,863,072.34
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Solution
The fourth proportional to 3,239,578.24, 4,471,482.64 and 1,863,072.34 is: 2,571,537.10
Step by Step Solution
- Step 1: Write the proportion equation
3,239,578.24 : 4,471,482.64 = 1,863,072.34 : x - Step 2: Convert to fraction form
3,239,578.24/4,471,482.64 = 1,863,072.34/x - Step 3: Cross multiply
3,239,578.24x = 4,471,482.64 × 1,863,072.34 - Step 4: Simplify right side
3,239,578.24x = 8,330,695,625,374.18 - Step 5: Solve for x
x = 8,330,695,625,374.18/3,239,578.24 - Step 6: Final answer
x = 2,571,537.10
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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.