Finding the Fourth Proportional to 1,774,517.92, 2,663,157.18 and 1,238,557.12
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Solution
The fourth proportional to 1,774,517.92, 2,663,157.18 and 1,238,557.12 is: 1,858,799.09
Step by Step Solution
- Step 1: Write the proportion equation
1,774,517.92 : 2,663,157.18 = 1,238,557.12 : x - Step 2: Convert to fraction form
1,774,517.92/2,663,157.18 = 1,238,557.12/x - Step 3: Cross multiply
1,774,517.92x = 2,663,157.18 × 1,238,557.12 - Step 4: Simplify right side
1,774,517.92x = 3,298,472,286,968.12 - Step 5: Solve for x
x = 3,298,472,286,968.12/1,774,517.92 - Step 6: Final answer
x = 1,858,799.09
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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.