Finding the Fourth Proportional to 4,117,512.10, 6,176,268.15 and 1,277,911.30
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Solution
The fourth proportional to 4,117,512.10, 6,176,268.15 and 1,277,911.30 is: 1,916,866.95
Step by Step Solution
- Step 1: Write the proportion equation
4,117,512.10 : 6,176,268.15 = 1,277,911.30 : x - Step 2: Convert to fraction form
4,117,512.10/6,176,268.15 = 1,277,911.30/x - Step 3: Cross multiply
4,117,512.10x = 6,176,268.15 × 1,277,911.30 - Step 4: Simplify right side
4,117,512.10x = 7,892,722,860,715.10 - Step 5: Solve for x
x = 7,892,722,860,715.10/4,117,512.10 - Step 6: Final answer
x = 1,916,866.95
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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.