Finding the Fourth Proportional to 7,722,186.93, 10,656,619.27 and 4,284,419.76
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Solution
The fourth proportional to 7,722,186.93, 10,656,619.27 and 4,284,419.76 is: 5,912,499.99
Step by Step Solution
- Step 1: Write the proportion equation
7,722,186.93 : 10,656,619.27 = 4,284,419.76 : x - Step 2: Convert to fraction form
7,722,186.93/10,656,619.27 = 4,284,419.76/x - Step 3: Cross multiply
7,722,186.93x = 10,656,619.27 × 4,284,419.76 - Step 4: Simplify right side
7,722,186.93x = 45,657,430,164,473.73 - Step 5: Solve for x
x = 45,657,430,164,473.73/7,722,186.93 - Step 6: Final answer
x = 5,912,499.99
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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.