Finding the Fourth Proportional to 5,514,784.76, 8,266,479.81 and 2,102,155.44
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Solution
The fourth proportional to 5,514,784.76, 8,266,479.81 and 2,102,155.44 is: 3,151,061.41
Step by Step Solution
- Step 1: Write the proportion equation
5,514,784.76 : 8,266,479.81 = 2,102,155.44 : x - Step 2: Convert to fraction form
5,514,784.76/8,266,479.81 = 2,102,155.44/x - Step 3: Cross multiply
5,514,784.76x = 8,266,479.81 × 2,102,155.44 - Step 4: Simplify right side
5,514,784.76x = 17,377,425,463,359.28 - Step 5: Solve for x
x = 17,377,425,463,359.28/5,514,784.76 - Step 6: Final answer
x = 3,151,061.41
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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.