Finding the Fourth Proportional to 7,286,139.30, 10,929,208.95 and 2,236,793.70
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Solution
The fourth proportional to 7,286,139.30, 10,929,208.95 and 2,236,793.70 is: 3,355,190.55
Step by Step Solution
- Step 1: Write the proportion equation
7,286,139.30 : 10,929,208.95 = 2,236,793.70 : x - Step 2: Convert to fraction form
7,286,139.30/10,929,208.95 = 2,236,793.70/x - Step 3: Cross multiply
7,286,139.30x = 10,929,208.95 × 2,236,793.70 - Step 4: Simplify right side
7,286,139.30x = 24,446,385,725,343.62 - Step 5: Solve for x
x = 24,446,385,725,343.62/7,286,139.30 - Step 6: Final answer
x = 3,355,190.55
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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.