Finding the Fourth Proportional to 1,617,889.56, 2,232,684.99 and 892,736.70
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Solution
The fourth proportional to 1,617,889.56, 2,232,684.99 and 892,736.70 is: 1,231,975.21
Step by Step Solution
- Step 1: Write the proportion equation
1,617,889.56 : 2,232,684.99 = 892,736.70 : x - Step 2: Convert to fraction form
1,617,889.56/2,232,684.99 = 892,736.70/x - Step 3: Cross multiply
1,617,889.56x = 2,232,684.99 × 892,736.70 - Step 4: Simplify right side
1,617,889.56x = 1,993,199,830,112.13 - Step 5: Solve for x
x = 1,993,199,830,112.13/1,617,889.56 - Step 6: Final answer
x = 1,231,975.21
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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.