Finding the Fourth Proportional to 6,337,941.12, 8,747,476.74 and 3,761,042.76
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Solution
The fourth proportional to 6,337,941.12, 8,747,476.74 and 3,761,042.76 is: 5,190,902.45
Step by Step Solution
- Step 1: Write the proportion equation
6,337,941.12 : 8,747,476.74 = 3,761,042.76 : x - Step 2: Convert to fraction form
6,337,941.12/8,747,476.74 = 3,761,042.76/x - Step 3: Cross multiply
6,337,941.12x = 8,747,476.74 × 3,761,042.76 - Step 4: Simplify right side
6,337,941.12x = 32,899,634,061,245.40 - Step 5: Solve for x
x = 32,899,634,061,245.40/6,337,941.12 - Step 6: Final answer
x = 5,190,902.45
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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.