Finding the Fourth Proportional to 5,207,863.51, 7,808,009.93 and 2,176,097.09
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Solution
The fourth proportional to 5,207,863.51, 7,808,009.93 and 2,176,097.09 is: 3,262,563.94
Step by Step Solution
- Step 1: Write the proportion equation
5,207,863.51 : 7,808,009.93 = 2,176,097.09 : x - Step 2: Convert to fraction form
5,207,863.51/7,808,009.93 = 2,176,097.09/x - Step 3: Cross multiply
5,207,863.51x = 7,808,009.93 × 2,176,097.09 - Step 4: Simplify right side
5,207,863.51x = 16,990,987,676,483.62 - Step 5: Solve for x
x = 16,990,987,676,483.62/5,207,863.51 - Step 6: Final answer
x = 3,262,563.94
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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.