Finding the Fourth Proportional to 4,830,961.70, 7,246,442.55 and 1,465,336.10
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Solution
The fourth proportional to 4,830,961.70, 7,246,442.55 and 1,465,336.10 is: 2,198,004.15
Step by Step Solution
- Step 1: Write the proportion equation
4,830,961.70 : 7,246,442.55 = 1,465,336.10 : x - Step 2: Convert to fraction form
4,830,961.70/7,246,442.55 = 1,465,336.10/x - Step 3: Cross multiply
4,830,961.70x = 7,246,442.55 × 1,465,336.10 - Step 4: Simplify right side
4,830,961.70x = 10,618,473,865,091.05 - Step 5: Solve for x
x = 10,618,473,865,091.05/4,830,961.70 - Step 6: Final answer
x = 2,198,004.15
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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.