Finding the Fourth Proportional to 1,643,674.57, 2,268,319.32 and 918,523.99
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Solution
The fourth proportional to 1,643,674.57, 2,268,319.32 and 918,523.99 is: 1,267,590.16
Step by Step Solution
- Step 1: Write the proportion equation
1,643,674.57 : 2,268,319.32 = 918,523.99 : x - Step 2: Convert to fraction form
1,643,674.57/2,268,319.32 = 918,523.99/x - Step 3: Cross multiply
1,643,674.57x = 2,268,319.32 × 918,523.99 - Step 4: Simplify right side
1,643,674.57x = 2,083,505,712,400.49 - Step 5: Solve for x
x = 2,083,505,712,400.49/1,643,674.57 - Step 6: Final answer
x = 1,267,590.16
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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.