Finding the Fourth Proportional to 5,183,745.72, 7,151,130.54 and 3,372,248.76
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Solution
The fourth proportional to 5,183,745.72, 7,151,130.54 and 3,372,248.76 is: 4,652,116.91
Step by Step Solution
- Step 1: Write the proportion equation
5,183,745.72 : 7,151,130.54 = 3,372,248.76 : x - Step 2: Convert to fraction form
5,183,745.72/7,151,130.54 = 3,372,248.76/x - Step 3: Cross multiply
5,183,745.72x = 7,151,130.54 × 3,372,248.76 - Step 4: Simplify right side
5,183,745.72x = 24,115,391,096,113.13 - Step 5: Solve for x
x = 24,115,391,096,113.13/5,183,745.72 - Step 6: Final answer
x = 4,652,116.91
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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.