Finding the Fourth Proportional to 5,429,329.80, 8,138,810.70 and 2,016,702.60
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Solution
The fourth proportional to 5,429,329.80, 8,138,810.70 and 2,016,702.60 is: 3,023,128.32
Step by Step Solution
- Step 1: Write the proportion equation
5,429,329.80 : 8,138,810.70 = 2,016,702.60 : x - Step 2: Convert to fraction form
5,429,329.80/8,138,810.70 = 2,016,702.60/x - Step 3: Cross multiply
5,429,329.80x = 8,138,810.70 × 2,016,702.60 - Step 4: Simplify right side
5,429,329.80x = 16,413,560,699,597.82 - Step 5: Solve for x
x = 16,413,560,699,597.82/5,429,329.80 - Step 6: Final answer
x = 3,023,128.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.