Finding the Fourth Proportional to 5,351,130.79, 7,384,523.03 and 2,903,679.59
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Solution
The fourth proportional to 5,351,130.79, 7,384,523.03 and 2,903,679.59 is: 4,007,057.51
Step by Step Solution
- Step 1: Write the proportion equation
5,351,130.79 : 7,384,523.03 = 2,903,679.59 : x - Step 2: Convert to fraction form
5,351,130.79/7,384,523.03 = 2,903,679.59/x - Step 3: Cross multiply
5,351,130.79x = 7,384,523.03 × 2,903,679.59 - Step 4: Simplify right side
5,351,130.79x = 21,442,288,829,816.46 - Step 5: Solve for x
x = 21,442,288,829,816.46/5,351,130.79 - Step 6: Final answer
x = 4,007,057.51
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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.