Finding the Fourth Proportional to 6,645,445.98, 9,969,850.22 and 1,853,135.75
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Solution
The fourth proportional to 6,645,445.98, 9,969,850.22 and 1,853,135.75 is: 2,780,172.45
Step by Step Solution
- Step 1: Write the proportion equation
6,645,445.98 : 9,969,850.22 = 1,853,135.75 : x - Step 2: Convert to fraction form
6,645,445.98/9,969,850.22 = 1,853,135.75/x - Step 3: Cross multiply
6,645,445.98x = 9,969,850.22 × 1,853,135.75 - Step 4: Simplify right side
6,645,445.98x = 18,475,485,805,712.44 - Step 5: Solve for x
x = 18,475,485,805,712.44/6,645,445.98 - Step 6: Final answer
x = 2,780,172.45
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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.