Finding the Fourth Proportional to 5,142,666.24, 7,096,943.60 and 2,967,660.80
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Solution
The fourth proportional to 5,142,666.24, 7,096,943.60 and 2,967,660.80 is: 4,095,408.95
Step by Step Solution
- Step 1: Write the proportion equation
5,142,666.24 : 7,096,943.60 = 2,967,660.80 : x - Step 2: Convert to fraction form
5,142,666.24/7,096,943.60 = 2,967,660.80/x - Step 3: Cross multiply
5,142,666.24x = 7,096,943.60 × 2,967,660.80 - Step 4: Simplify right side
5,142,666.24x = 21,061,321,321,530.88 - Step 5: Solve for x
x = 21,061,321,321,530.88/5,142,666.24 - Step 6: Final answer
x = 4,095,408.95
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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.