Finding the Fourth Proportional to 1,531,901.92, 2,114,027.76 and 852,862.72
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Solution
The fourth proportional to 1,531,901.92, 2,114,027.76 and 852,862.72 is: 1,176,952.29
Step by Step Solution
- Step 1: Write the proportion equation
1,531,901.92 : 2,114,027.76 = 852,862.72 : x - Step 2: Convert to fraction form
1,531,901.92/2,114,027.76 = 852,862.72/x - Step 3: Cross multiply
1,531,901.92x = 2,114,027.76 × 852,862.72 - Step 4: Simplify right side
1,531,901.92x = 1,802,975,465,549.11 - Step 5: Solve for x
x = 1,802,975,465,549.11/1,531,901.92 - Step 6: Final answer
x = 1,176,952.29
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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.