Finding the Fourth Proportional to 2,747,761.10, 4,121,641.65 and 1,330,585.10
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Solution
The fourth proportional to 2,747,761.10, 4,121,641.65 and 1,330,585.10 is: 1,995,877.65
Step by Step Solution
- Step 1: Write the proportion equation
2,747,761.10 : 4,121,641.65 = 1,330,585.10 : x - Step 2: Convert to fraction form
2,747,761.10/4,121,641.65 = 1,330,585.10/x - Step 3: Cross multiply
2,747,761.10x = 4,121,641.65 × 1,330,585.10 - Step 4: Simplify right side
2,747,761.10x = 5,484,194,967,029.42 - Step 5: Solve for x
x = 5,484,194,967,029.42/2,747,761.10 - Step 6: Final answer
x = 1,995,877.65
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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.