Finding the Fourth Proportional to 3,531,409.68, 4,873,008.24 and 1,982,316.72
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Solution
The fourth proportional to 3,531,409.68, 4,873,008.24 and 1,982,316.72 is: 2,735,407.84
Step by Step Solution
- Step 1: Write the proportion equation
3,531,409.68 : 4,873,008.24 = 1,982,316.72 : x - Step 2: Convert to fraction form
3,531,409.68/4,873,008.24 = 1,982,316.72/x - Step 3: Cross multiply
3,531,409.68x = 4,873,008.24 × 1,982,316.72 - Step 4: Simplify right side
3,531,409.68x = 9,659,845,710,849.77 - Step 5: Solve for x
x = 9,659,845,710,849.77/3,531,409.68 - Step 6: Final answer
x = 2,735,407.84
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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.