Finding the Fourth Proportional to 1,661,935.74, 2,295,361.99 and 1,117,125.36
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Solution
The fourth proportional to 1,661,935.74, 2,295,361.99 and 1,117,125.36 is: 1,542,903.87
Step by Step Solution
- Step 1: Write the proportion equation
1,661,935.74 : 2,295,361.99 = 1,117,125.36 : x - Step 2: Convert to fraction form
1,661,935.74/2,295,361.99 = 1,117,125.36/x - Step 3: Cross multiply
1,661,935.74x = 2,295,361.99 × 1,117,125.36 - Step 4: Simplify right side
1,661,935.74x = 2,564,207,089,409.07 - Step 5: Solve for x
x = 2,564,207,089,409.07/1,661,935.74 - Step 6: Final answer
x = 1,542,903.87
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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.