Finding the Fourth Proportional to 2,399,341.68, 3,311,091.77 and 1,311,618.11
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Solution
The fourth proportional to 2,399,341.68, 3,311,091.77 and 1,311,618.11 is: 1,810,033.12
Step by Step Solution
- Step 1: Write the proportion equation
2,399,341.68 : 3,311,091.77 = 1,311,618.11 : x - Step 2: Convert to fraction form
2,399,341.68/3,311,091.77 = 1,311,618.11/x - Step 3: Cross multiply
2,399,341.68x = 3,311,091.77 × 1,311,618.11 - Step 4: Simplify right side
2,399,341.68x = 4,342,887,906,290.41 - Step 5: Solve for x
x = 4,342,887,906,290.41/2,399,341.68 - Step 6: Final answer
x = 1,810,033.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.