Finding the Fourth Proportional to 2,721,660.57, 4,083,082.16 and 828,352.80
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Solution
The fourth proportional to 2,721,660.57, 4,083,082.16 and 828,352.80 is: 1,242,709.17
Step by Step Solution
- Step 1: Write the proportion equation
2,721,660.57 : 4,083,082.16 = 828,352.80 : x - Step 2: Convert to fraction form
2,721,660.57/4,083,082.16 = 828,352.80/x - Step 3: Cross multiply
2,721,660.57x = 4,083,082.16 × 828,352.80 - Step 4: Simplify right side
2,721,660.57x = 3,382,232,535,724.28 - Step 5: Solve for x
x = 3,382,232,535,724.28/2,721,660.57 - Step 6: Final answer
x = 1,242,709.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.