Finding the Fourth Proportional to 5,328,009.26, 7,347,746.31 and 3,491,798.48
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Solution
The fourth proportional to 5,328,009.26, 7,347,746.31 and 3,491,798.48 is: 4,815,466.37
Step by Step Solution
- Step 1: Write the proportion equation
5,328,009.26 : 7,347,746.31 = 3,491,798.48 : x - Step 2: Convert to fraction form
5,328,009.26/7,347,746.31 = 3,491,798.48/x - Step 3: Cross multiply
5,328,009.26x = 7,347,746.31 × 3,491,798.48 - Step 4: Simplify right side
5,328,009.26x = 25,656,849,396,683.61 - Step 5: Solve for x
x = 25,656,849,396,683.61/5,328,009.26 - Step 6: Final answer
x = 4,815,466.37
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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.