Finding the Fourth Proportional to 4,685,478.37, 7,026,838.83 and 2,125,212.13
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Solution
The fourth proportional to 4,685,478.37, 7,026,838.83 and 2,125,212.13 is: 3,187,192.84
Step by Step Solution
- Step 1: Write the proportion equation
4,685,478.37 : 7,026,838.83 = 2,125,212.13 : x - Step 2: Convert to fraction form
4,685,478.37/7,026,838.83 = 2,125,212.13/x - Step 3: Cross multiply
4,685,478.37x = 7,026,838.83 × 2,125,212.13 - Step 4: Simplify right side
4,685,478.37x = 14,933,523,117,071.01 - Step 5: Solve for x
x = 14,933,523,117,071.01/4,685,478.37 - Step 6: Final answer
x = 3,187,192.84
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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.