Finding the Fourth Proportional to 4,890,893.67, 6,749,121.02 and 2,715,436.26
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Solution
The fourth proportional to 4,890,893.67, 6,749,121.02 and 2,715,436.26 is: 3,747,128.68
Step by Step Solution
- Step 1: Write the proportion equation
4,890,893.67 : 6,749,121.02 = 2,715,436.26 : x - Step 2: Convert to fraction form
4,890,893.67/6,749,121.02 = 2,715,436.26/x - Step 3: Cross multiply
4,890,893.67x = 6,749,121.02 × 2,715,436.26 - Step 4: Simplify right side
4,890,893.67x = 18,326,807,927,259 - Step 5: Solve for x
x = 18,326,807,927,259/4,890,893.67 - Step 6: Final answer
x = 3,747,128.68
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1.5x scale
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.