Finding the Fourth Proportional to 5,574,770.20, 8,360,081.70 and 2,208,280.60
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Solution
The fourth proportional to 5,574,770.20, 8,360,081.70 and 2,208,280.60 is: 3,311,599.50
Step by Step Solution
- Step 1: Write the proportion equation
5,574,770.20 : 8,360,081.70 = 2,208,280.60 : x - Step 2: Convert to fraction form
5,574,770.20/8,360,081.70 = 2,208,280.60/x - Step 3: Cross multiply
5,574,770.20x = 8,360,081.70 × 2,208,280.60 - Step 4: Simplify right side
5,574,770.20x = 18,461,406,232,525.02 - Step 5: Solve for x
x = 18,461,406,232,525.02/5,574,770.20 - Step 6: Final answer
x = 3,311,599.50
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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.