Finding the Fourth Proportional to 4,125,715.51, 6,188,615.93 and 1,247,106.19
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Solution
The fourth proportional to 4,125,715.51, 6,188,615.93 and 1,247,106.19 is: 1,870,672.18
Step by Step Solution
- Step 1: Write the proportion equation
4,125,715.51 : 6,188,615.93 = 1,247,106.19 : x - Step 2: Convert to fraction form
4,125,715.51/6,188,615.93 = 1,247,106.19/x - Step 3: Cross multiply
4,125,715.51x = 6,188,615.93 × 1,247,106.19 - Step 4: Simplify right side
4,125,715.51x = 7,717,861,233,835.61 - Step 5: Solve for x
x = 7,717,861,233,835.61/4,125,715.51 - Step 6: Final answer
x = 1,870,672.18
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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.