Finding the Fourth Proportional to 3,783,530.01, 5,221,381.68 and 2,064,761.24
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Solution
The fourth proportional to 3,783,530.01, 5,221,381.68 and 2,064,761.24 is: 2,849,430.68
Step by Step Solution
- Step 1: Write the proportion equation
3,783,530.01 : 5,221,381.68 = 2,064,761.24 : x - Step 2: Convert to fraction form
3,783,530.01/5,221,381.68 = 2,064,761.24/x - Step 3: Cross multiply
3,783,530.01x = 5,221,381.68 × 2,064,761.24 - Step 4: Simplify right side
3,783,530.01x = 10,780,906,486,003.17 - Step 5: Solve for x
x = 10,780,906,486,003.17/3,783,530.01 - Step 6: Final answer
x = 2,849,430.68
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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.