Finding the Fourth Proportional to 6,872,609.80, 10,308,914.70 and 2,384,885.80
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Solution
The fourth proportional to 6,872,609.80, 10,308,914.70 and 2,384,885.80 is: 3,577,328.70
Step by Step Solution
- Step 1: Write the proportion equation
6,872,609.80 : 10,308,914.70 = 2,384,885.80 : x - Step 2: Convert to fraction form
6,872,609.80/10,308,914.70 = 2,384,885.80/x - Step 3: Cross multiply
6,872,609.80x = 10,308,914.70 × 2,384,885.80 - Step 4: Simplify right side
6,872,609.80x = 24,585,584,281,441.26 - Step 5: Solve for x
x = 24,585,584,281,441.26/6,872,609.80 - Step 6: Final answer
x = 3,577,328.70
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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.