Finding the Fourth Proportional to 3,811,349.23, 5,715,811.35 and 1,251,970.37
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Solution
The fourth proportional to 3,811,349.23, 5,715,811.35 and 1,251,970.37 is: 1,877,557.27
Step by Step Solution
- Step 1: Write the proportion equation
3,811,349.23 : 5,715,811.35 = 1,251,970.37 : x - Step 2: Convert to fraction form
3,811,349.23/5,715,811.35 = 1,251,970.37/x - Step 3: Cross multiply
3,811,349.23x = 5,715,811.35 × 1,251,970.37 - Step 4: Simplify right side
3,811,349.23x = 7,156,026,450,709.70 - Step 5: Solve for x
x = 7,156,026,450,709.70/3,811,349.23 - Step 6: Final answer
x = 1,877,557.27
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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.