Finding the Fourth Proportional to 1,706,963.81, 2,560,826.97 and 642,015.09
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Solution
The fourth proportional to 1,706,963.81, 2,560,826.97 and 642,015.09 is: 963,166.03
Step by Step Solution
- Step 1: Write the proportion equation
1,706,963.81 : 2,560,826.97 = 642,015.09 : x - Step 2: Convert to fraction form
1,706,963.81/2,560,826.97 = 642,015.09/x - Step 3: Cross multiply
1,706,963.81x = 2,560,826.97 × 642,015.09 - Step 4: Simplify right side
1,706,963.81x = 1,644,089,557,618.98 - Step 5: Solve for x
x = 1,644,089,557,618.98/1,706,963.81 - Step 6: Final answer
x = 963,166.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.