Finding the Fourth Proportional to 5,419,189.85, 8,128,784.78 and 1,824,655.79
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Solution
The fourth proportional to 5,419,189.85, 8,128,784.78 and 1,824,655.79 is: 2,736,983.68
Step by Step Solution
- Step 1: Write the proportion equation
5,419,189.85 : 8,128,784.78 = 1,824,655.79 : x - Step 2: Convert to fraction form
5,419,189.85/8,128,784.78 = 1,824,655.79/x - Step 3: Cross multiply
5,419,189.85x = 8,128,784.78 × 1,824,655.79 - Step 4: Simplify right side
5,419,189.85x = 14,832,234,212,235.83 - Step 5: Solve for x
x = 14,832,234,212,235.83/5,419,189.85 - Step 6: Final answer
x = 2,736,983.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.