Finding the Fourth Proportional to 6,295,491.20, 9,445,569.60 and 2,511,689.60
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Solution
The fourth proportional to 6,295,491.20, 9,445,569.60 and 2,511,689.60 is: 3,768,465.11
Step by Step Solution
- Step 1: Write the proportion equation
6,295,491.20 : 9,445,569.60 = 2,511,689.60 : x - Step 2: Convert to fraction form
6,295,491.20/9,445,569.60 = 2,511,689.60/x - Step 3: Cross multiply
6,295,491.20x = 9,445,569.60 × 2,511,689.60 - Step 4: Simplify right side
6,295,491.20x = 23,724,338,930,396.16 - Step 5: Solve for x
x = 23,724,338,930,396.16/6,295,491.20 - Step 6: Final answer
x = 3,768,465.11
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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.