Finding the Fourth Proportional to 4,705,469.05, 6,489,886.47 and 3,403,604.67
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Solution
The fourth proportional to 4,705,469.05, 6,489,886.47 and 3,403,604.67 is: 4,694,326.47
Step by Step Solution
- Step 1: Write the proportion equation
4,705,469.05 : 6,489,886.47 = 3,403,604.67 : x - Step 2: Convert to fraction form
4,705,469.05/6,489,886.47 = 3,403,604.67/x - Step 3: Cross multiply
4,705,469.05x = 6,489,886.47 × 3,403,604.67 - Step 4: Simplify right side
4,705,469.05x = 22,089,007,897,061.81 - Step 5: Solve for x
x = 22,089,007,897,061.81/4,705,469.05 - Step 6: Final answer
x = 4,694,326.47
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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.