Finding the Fourth Proportional to 7,722,345.68, 10,656,838.68 and 4,284,578.60
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Solution
The fourth proportional to 7,722,345.68, 10,656,838.68 and 4,284,578.60 is: 5,912,719.38
Step by Step Solution
- Step 1: Write the proportion equation
7,722,345.68 : 10,656,838.68 = 4,284,578.60 : x - Step 2: Convert to fraction form
7,722,345.68/10,656,838.68 = 4,284,578.60/x - Step 3: Cross multiply
7,722,345.68x = 10,656,838.68 × 4,284,578.60 - Step 4: Simplify right side
7,722,345.68x = 45,660,062,951,980.24 - Step 5: Solve for x
x = 45,660,062,951,980.24/7,722,345.68 - Step 6: Final answer
x = 5,912,719.38
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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.