Finding the Fourth Proportional to 4,582,439.28, 6,879,665.82 and 3,072,877.08
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Solution
The fourth proportional to 4,582,439.28, 6,879,665.82 and 3,072,877.08 is: 4,613,343.71
Step by Step Solution
- Step 1: Write the proportion equation
4,582,439.28 : 6,879,665.82 = 3,072,877.08 : x - Step 2: Convert to fraction form
4,582,439.28/6,879,665.82 = 3,072,877.08/x - Step 3: Cross multiply
4,582,439.28x = 6,879,665.82 × 3,072,877.08 - Step 4: Simplify right side
4,582,439.28x = 21,140,367,416,337.41 - Step 5: Solve for x
x = 21,140,367,416,337.41/4,582,439.28 - Step 6: Final answer
x = 4,613,343.71
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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.