Finding the Fourth Proportional to 4,588,339.60, 6,874,636.20 and 2,187,013.60
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Solution
The fourth proportional to 4,588,339.60, 6,874,636.20 and 2,187,013.60 is: 3,276,767.67
Step by Step Solution
- Step 1: Write the proportion equation
4,588,339.60 : 6,874,636.20 = 2,187,013.60 : x - Step 2: Convert to fraction form
4,588,339.60/6,874,636.20 = 2,187,013.60/x - Step 3: Cross multiply
4,588,339.60x = 6,874,636.20 × 2,187,013.60 - Step 4: Simplify right side
4,588,339.60x = 15,034,922,864,452.32 - Step 5: Solve for x
x = 15,034,922,864,452.32/4,588,339.60 - Step 6: Final answer
x = 3,276,767.67
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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.