Finding the Fourth Proportional to 5,192,901.99, 7,166,347.95 and 2,869,945.09
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Solution
The fourth proportional to 5,192,901.99, 7,166,347.95 and 2,869,945.09 is: 3,960,603.36
Step by Step Solution
- Step 1: Write the proportion equation
5,192,901.99 : 7,166,347.95 = 2,869,945.09 : x - Step 2: Convert to fraction form
5,192,901.99/7,166,347.95 = 2,869,945.09/x - Step 3: Cross multiply
5,192,901.99x = 7,166,347.95 × 2,869,945.09 - Step 4: Simplify right side
5,192,901.99x = 20,567,025,089,037.05 - Step 5: Solve for x
x = 20,567,025,089,037.05/5,192,901.99 - Step 6: Final answer
x = 3,960,603.36
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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.