Finding the Fourth Proportional to 2,232,213.63, 3,081,012.81 and 1,372,275.66
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Solution
The fourth proportional to 2,232,213.63, 3,081,012.81 and 1,372,275.66 is: 1,894,083.45
Step by Step Solution
- Step 1: Write the proportion equation
2,232,213.63 : 3,081,012.81 = 1,372,275.66 : x - Step 2: Convert to fraction form
2,232,213.63/3,081,012.81 = 1,372,275.66/x - Step 3: Cross multiply
2,232,213.63x = 3,081,012.81 × 1,372,275.66 - Step 4: Simplify right side
2,232,213.63x = 4,227,998,887,311.20 - Step 5: Solve for x
x = 4,227,998,887,311.20/2,232,213.63 - Step 6: Final answer
x = 1,894,083.45
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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.