Finding the Fourth Proportional to 1,943,376.97, 2,681,869.55 and 1,072,211.62
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Solution
The fourth proportional to 1,943,376.97, 2,681,869.55 and 1,072,211.62 is: 1,479,657.18
Step by Step Solution
- Step 1: Write the proportion equation
1,943,376.97 : 2,681,869.55 = 1,072,211.62 : x - Step 2: Convert to fraction form
1,943,376.97/2,681,869.55 = 1,072,211.62/x - Step 3: Cross multiply
1,943,376.97x = 2,681,869.55 × 1,072,211.62 - Step 4: Simplify right side
1,943,376.97x = 2,875,531,682,768.44 - Step 5: Solve for x
x = 2,875,531,682,768.44/1,943,376.97 - Step 6: Final answer
x = 1,479,657.18
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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.