Finding the Fourth Proportional to 1,533,539.68, 2,116,293.20 and 889,341.84
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Solution
The fourth proportional to 1,533,539.68, 2,116,293.20 and 889,341.84 is: 1,227,296.63
Step by Step Solution
- Step 1: Write the proportion equation
1,533,539.68 : 2,116,293.20 = 889,341.84 : x - Step 2: Convert to fraction form
1,533,539.68/2,116,293.20 = 889,341.84/x - Step 3: Cross multiply
1,533,539.68x = 2,116,293.20 × 889,341.84 - Step 4: Simplify right side
1,533,539.68x = 1,882,108,088,467.49 - Step 5: Solve for x
x = 1,882,108,088,467.49/1,533,539.68 - Step 6: Final answer
x = 1,227,296.63
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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.