Finding the Fourth Proportional to 5,012,073.96, 6,916,728.42 and 2,720,262.12
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Solution
The fourth proportional to 5,012,073.96, 6,916,728.42 and 2,720,262.12 is: 3,753,997.74
Step by Step Solution
- Step 1: Write the proportion equation
5,012,073.96 : 6,916,728.42 = 2,720,262.12 : x - Step 2: Convert to fraction form
5,012,073.96/6,916,728.42 = 2,720,262.12/x - Step 3: Cross multiply
5,012,073.96x = 6,916,728.42 × 2,720,262.12 - Step 4: Simplify right side
5,012,073.96x = 18,815,314,315,253.45 - Step 5: Solve for x
x = 18,815,314,315,253.45/5,012,073.96 - Step 6: Final answer
x = 3,753,997.74
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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.