Finding the Fourth Proportional to 1,993,562.86, 2,751,092.18 and 1,134,121.26
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Solution
The fourth proportional to 1,993,562.86, 2,751,092.18 and 1,134,121.26 is: 1,565,073.36
Step by Step Solution
- Step 1: Write the proportion equation
1,993,562.86 : 2,751,092.18 = 1,134,121.26 : x - Step 2: Convert to fraction form
1,993,562.86/2,751,092.18 = 1,134,121.26/x - Step 3: Cross multiply
1,993,562.86x = 2,751,092.18 × 1,134,121.26 - Step 4: Simplify right side
1,993,562.86x = 3,120,072,129,557.75 - Step 5: Solve for x
x = 3,120,072,129,557.75/1,993,562.86 - Step 6: Final answer
x = 1,565,073.36
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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.