Finding the Fourth Proportional to 5,585,403.68, 8,390,717.43 and 3,312,418.94
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Solution
The fourth proportional to 5,585,403.68, 8,390,717.43 and 3,312,418.94 is: 4,976,107.89
Step by Step Solution
- Step 1: Write the proportion equation
5,585,403.68 : 8,390,717.43 = 3,312,418.94 : x - Step 2: Convert to fraction form
5,585,403.68/8,390,717.43 = 3,312,418.94/x - Step 3: Cross multiply
5,585,403.68x = 8,390,717.43 × 3,312,418.94 - Step 4: Simplify right side
5,585,403.68x = 27,793,571,335,320.12 - Step 5: Solve for x
x = 27,793,571,335,320.12/5,585,403.68 - Step 6: Final answer
x = 4,976,107.89
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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.