Finding the Fourth Proportional to 5,176,176.70, 7,764,265.05 and 1,810,032.70
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Solution
The fourth proportional to 5,176,176.70, 7,764,265.05 and 1,810,032.70 is: 2,715,049.05
Step by Step Solution
- Step 1: Write the proportion equation
5,176,176.70 : 7,764,265.05 = 1,810,032.70 : x - Step 2: Convert to fraction form
5,176,176.70/7,764,265.05 = 1,810,032.70/x - Step 3: Cross multiply
5,176,176.70x = 7,764,265.05 × 1,810,032.70 - Step 4: Simplify right side
5,176,176.70x = 14,053,573,631,967.13 - Step 5: Solve for x
x = 14,053,573,631,967.13/5,176,176.70 - Step 6: Final answer
x = 2,715,049.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.