Finding the Fourth Proportional to 1,617,876.99, 2,232,678.23 and 892,725.20
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Solution
The fourth proportional to 1,617,876.99, 2,232,678.23 and 892,725.20 is: 1,231,965.18
Step by Step Solution
- Step 1: Write the proportion equation
1,617,876.99 : 2,232,678.23 = 892,725.20 : x - Step 2: Convert to fraction form
1,617,876.99/2,232,678.23 = 892,725.20/x - Step 3: Cross multiply
1,617,876.99x = 2,232,678.23 × 892,725.20 - Step 4: Simplify right side
1,617,876.99x = 1,993,168,115,505.64 - Step 5: Solve for x
x = 1,993,168,115,505.64/1,617,876.99 - Step 6: Final answer
x = 1,231,965.18
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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.