Finding the Fourth Proportional to 5,905,405.80, 8,858,108.70 and 5,793,431.40
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Solution
The fourth proportional to 5,905,405.80, 8,858,108.70 and 5,793,431.40 is: 8,690,147.10
Step by Step Solution
- Step 1: Write the proportion equation
5,905,405.80 : 8,858,108.70 = 5,793,431.40 : x - Step 2: Convert to fraction form
5,905,405.80/8,858,108.70 = 5,793,431.40/x - Step 3: Cross multiply
5,905,405.80x = 8,858,108.70 × 5,793,431.40 - Step 4: Simplify right side
5,905,405.80x = 51,318,845,087,193.18 - Step 5: Solve for x
x = 51,318,845,087,193.18/5,905,405.80 - Step 6: Final answer
x = 8,690,147.10
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1.5x scale
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.