Finding the Fourth Proportional to 5,456,056.57, 7,529,539.78 and 2,975,412.94
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Solution
The fourth proportional to 5,456,056.57, 7,529,539.78 and 2,975,412.94 is: 4,106,168.95
Step by Step Solution
- Step 1: Write the proportion equation
5,456,056.57 : 7,529,539.78 = 2,975,412.94 : x - Step 2: Convert to fraction form
5,456,056.57/7,529,539.78 = 2,975,412.94/x - Step 3: Cross multiply
5,456,056.57x = 7,529,539.78 × 2,975,412.94 - Step 4: Simplify right side
5,456,056.57x = 22,403,490,093,656.75 - Step 5: Solve for x
x = 22,403,490,093,656.75/5,456,056.57 - Step 6: Final answer
x = 4,106,168.95
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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.