Finding the Fourth Proportional to 3,661,578.78, 5,053,278.06 and 2,030,497.74
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Solution
The fourth proportional to 3,661,578.78, 5,053,278.06 and 2,030,497.74 is: 2,802,252.88
Step by Step Solution
- Step 1: Write the proportion equation
3,661,578.78 : 5,053,278.06 = 2,030,497.74 : x - Step 2: Convert to fraction form
3,661,578.78/5,053,278.06 = 2,030,497.74/x - Step 3: Cross multiply
3,661,578.78x = 5,053,278.06 × 2,030,497.74 - Step 4: Simplify right side
3,661,578.78x = 10,260,669,680,421.58 - Step 5: Solve for x
x = 10,260,669,680,421.58/3,661,578.78 - Step 6: Final answer
x = 2,802,252.88
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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.