Finding the Fourth Proportional to 1,614,279.49, 2,227,720.76 and 889,129.82
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Solution
The fourth proportional to 1,614,279.49, 2,227,720.76 and 889,129.82 is: 1,227,007.45
Step by Step Solution
- Step 1: Write the proportion equation
1,614,279.49 : 2,227,720.76 = 889,129.82 : x - Step 2: Convert to fraction form
1,614,279.49/2,227,720.76 = 889,129.82/x - Step 3: Cross multiply
1,614,279.49x = 2,227,720.76 × 889,129.82 - Step 4: Simplify right side
1,614,279.49x = 1,980,732,962,806.95 - Step 5: Solve for x
x = 1,980,732,962,806.95/1,614,279.49 - Step 6: Final answer
x = 1,227,007.45
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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.