Finding the Fourth Proportional to 1,643,569.92, 2,268,082.94 and 918,423.63
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Solution
The fourth proportional to 1,643,569.92, 2,268,082.94 and 918,423.63 is: 1,267,400.27
Step by Step Solution
- Step 1: Write the proportion equation
1,643,569.92 : 2,268,082.94 = 918,423.63 : x - Step 2: Convert to fraction form
1,643,569.92/2,268,082.94 = 918,423.63/x - Step 3: Cross multiply
1,643,569.92x = 2,268,082.94 × 918,423.63 - Step 4: Simplify right side
1,643,569.92x = 2,083,060,962,303.75 - Step 5: Solve for x
x = 2,083,060,962,303.75/1,643,569.92 - Step 6: Final answer
x = 1,267,400.27
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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.