Finding the Fourth Proportional to 4,788,491.11, 6,608,258.30 and 2,613,174.65
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Solution
The fourth proportional to 4,788,491.11, 6,608,258.30 and 2,613,174.65 is: 3,606,257.73
Step by Step Solution
- Step 1: Write the proportion equation
4,788,491.11 : 6,608,258.30 = 2,613,174.65 : x - Step 2: Convert to fraction form
4,788,491.11/6,608,258.30 = 2,613,174.65/x - Step 3: Cross multiply
4,788,491.11x = 6,608,258.30 × 2,613,174.65 - Step 4: Simplify right side
4,788,491.11x = 17,268,533,068,484.71 - Step 5: Solve for x
x = 17,268,533,068,484.71/4,788,491.11 - Step 6: Final answer
x = 3,606,257.73
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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.