Finding the Fourth Proportional to 4,917,372.22, 6,785,805.96 and 2,712,322.44
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Solution
The fourth proportional to 4,917,372.22, 6,785,805.96 and 2,712,322.44 is: 3,742,912.47
Step by Step Solution
- Step 1: Write the proportion equation
4,917,372.22 : 6,785,805.96 = 2,712,322.44 : x - Step 2: Convert to fraction form
4,917,372.22/6,785,805.96 = 2,712,322.44/x - Step 3: Cross multiply
4,917,372.22x = 6,785,805.96 × 2,712,322.44 - Step 4: Simplify right side
4,917,372.22x = 18,405,293,778,793.74 - Step 5: Solve for x
x = 18,405,293,778,793.74/4,917,372.22 - Step 6: Final answer
x = 3,742,912.47
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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.