Finding the Fourth Proportional to 5,743,828.91, 7,926,127.76 and 3,165,365.63
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Solution
The fourth proportional to 5,743,828.91, 7,926,127.76 and 3,165,365.63 is: 4,368,008.30
Step by Step Solution
- Step 1: Write the proportion equation
5,743,828.91 : 7,926,127.76 = 3,165,365.63 : x - Step 2: Convert to fraction form
5,743,828.91/7,926,127.76 = 3,165,365.63/x - Step 3: Cross multiply
5,743,828.91x = 7,926,127.76 × 3,165,365.63 - Step 4: Simplify right side
5,743,828.91x = 25,089,092,374,666.06 - Step 5: Solve for x
x = 25,089,092,374,666.06/5,743,828.91 - Step 6: Final answer
x = 4,368,008.30
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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.