Finding the Fourth Proportional to 4,256,763.70, 6,385,145.55 and 4,046,811.70
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Solution
The fourth proportional to 4,256,763.70, 6,385,145.55 and 4,046,811.70 is: 6,070,217.55
Step by Step Solution
- Step 1: Write the proportion equation
4,256,763.70 : 6,385,145.55 = 4,046,811.70 : x - Step 2: Convert to fraction form
4,256,763.70/6,385,145.55 = 4,046,811.70/x - Step 3: Cross multiply
4,256,763.70x = 6,385,145.55 × 4,046,811.70 - Step 4: Simplify right side
4,256,763.70x = 25,839,481,717,942.93 - Step 5: Solve for x
x = 25,839,481,717,942.93/4,256,763.70 - Step 6: Final answer
x = 6,070,217.55
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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.