Finding the Fourth Proportional to 7,178,701.68, 10,770,137.46 and 2,320,904.88
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Solution
The fourth proportional to 7,178,701.68, 10,770,137.46 and 2,320,904.88 is: 3,482,031.39
Step by Step Solution
- Step 1: Write the proportion equation
7,178,701.68 : 10,770,137.46 = 2,320,904.88 : x - Step 2: Convert to fraction form
7,178,701.68/10,770,137.46 = 2,320,904.88/x - Step 3: Cross multiply
7,178,701.68x = 10,770,137.46 × 2,320,904.88 - Step 4: Simplify right side
7,178,701.68x = 24,996,464,589,184.80 - Step 5: Solve for x
x = 24,996,464,589,184.80/7,178,701.68 - Step 6: Final answer
x = 3,482,031.39
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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.