Finding the Fourth Proportional to 5,004,515.13, 6,887,614.03 and 4,126,325.28
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Solution
The fourth proportional to 5,004,515.13, 6,887,614.03 and 4,126,325.28 is: 5,678,978.91
Step by Step Solution
- Step 1: Write the proportion equation
5,004,515.13 : 6,887,614.03 = 4,126,325.28 : x - Step 2: Convert to fraction form
5,004,515.13/6,887,614.03 = 4,126,325.28/x - Step 3: Cross multiply
5,004,515.13x = 6,887,614.03 × 4,126,325.28 - Step 4: Simplify right side
5,004,515.13x = 28,420,535,890,871.68 - Step 5: Solve for x
x = 28,420,535,890,871.68/5,004,515.13 - Step 6: Final answer
x = 5,678,978.91
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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.