Finding the Fourth Proportional to 6,277,569.90, 8,662,751.21 and 3,486,874.06
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Solution
The fourth proportional to 6,277,569.90, 8,662,751.21 and 3,486,874.06 is: 4,811,722.21
Step by Step Solution
- Step 1: Write the proportion equation
6,277,569.90 : 8,662,751.21 = 3,486,874.06 : x - Step 2: Convert to fraction form
6,277,569.90/8,662,751.21 = 3,486,874.06/x - Step 3: Cross multiply
6,277,569.90x = 8,662,751.21 × 3,486,874.06 - Step 4: Simplify right side
6,277,569.90x = 30,205,922,482,382.62 - Step 5: Solve for x
x = 30,205,922,482,382.62/6,277,569.90 - Step 6: Final answer
x = 4,811,722.21
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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.