Finding the Fourth Proportional to 5,585,403.18, 8,390,716.68 and 3,312,418.44
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Solution
The fourth proportional to 5,585,403.18, 8,390,716.68 and 3,312,418.44 is: 4,976,107.14
Step by Step Solution
- Step 1: Write the proportion equation
5,585,403.18 : 8,390,716.68 = 3,312,418.44 : x - Step 2: Convert to fraction form
5,585,403.18/8,390,716.68 = 3,312,418.44/x - Step 3: Cross multiply
5,585,403.18x = 8,390,716.68 × 3,312,418.44 - Step 4: Simplify right side
5,585,403.18x = 27,793,564,655,647.58 - Step 5: Solve for x
x = 27,793,564,655,647.58/5,585,403.18 - Step 6: Final answer
x = 4,976,107.14
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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.