Finding the Fourth Proportional to 4,138,588.15, 6,208,816.37 and 1,260,212.29
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Solution
The fourth proportional to 4,138,588.15, 6,208,816.37 and 1,260,212.29 is: 1,890,602.88
Step by Step Solution
- Step 1: Write the proportion equation
4,138,588.15 : 6,208,816.37 = 1,260,212.29 : x - Step 2: Convert to fraction form
4,138,588.15/6,208,816.37 = 1,260,212.29/x - Step 3: Cross multiply
4,138,588.15x = 6,208,816.37 × 1,260,212.29 - Step 4: Simplify right side
4,138,588.15x = 7,824,426,674,004.09 - Step 5: Solve for x
x = 7,824,426,674,004.09/4,138,588.15 - Step 6: Final answer
x = 1,890,602.88
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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.