Finding the Fourth Proportional to 2,311,766.68, 3,190,879.14 and 1,345,083.68
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Solution
The fourth proportional to 2,311,766.68, 3,190,879.14 and 1,345,083.68 is: 1,856,588.51
Step by Step Solution
- Step 1: Write the proportion equation
2,311,766.68 : 3,190,879.14 = 1,345,083.68 : x - Step 2: Convert to fraction form
2,311,766.68/3,190,879.14 = 1,345,083.68/x - Step 3: Cross multiply
2,311,766.68x = 3,190,879.14 × 1,345,083.68 - Step 4: Simplify right side
2,311,766.68x = 4,291,999,456,066.44 - Step 5: Solve for x
x = 4,291,999,456,066.44/2,311,766.68 - Step 6: Final answer
x = 1,856,588.51
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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.