Finding the Fourth Proportional to 7,193,124.68, 10,780,239.11 and 3,407,690.12
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Solution
The fourth proportional to 7,193,124.68, 10,780,239.11 and 3,407,690.12 is: 5,107,059.30
Step by Step Solution
- Step 1: Write the proportion equation
7,193,124.68 : 10,780,239.11 = 3,407,690.12 : x - Step 2: Convert to fraction form
7,193,124.68/10,780,239.11 = 3,407,690.12/x - Step 3: Cross multiply
7,193,124.68x = 10,780,239.11 × 3,407,690.12 - Step 4: Simplify right side
7,193,124.68x = 36,735,714,235,444.95 - Step 5: Solve for x
x = 36,735,714,235,444.95/7,193,124.68 - Step 6: Final answer
x = 5,107,059.30
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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.