Finding the Fourth Proportional to 5,347,069.80, 8,021,771.10 and 1,560,244.20
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Solution
The fourth proportional to 5,347,069.80, 8,021,771.10 and 1,560,244.20 is: 2,340,706.65
Step by Step Solution
- Step 1: Write the proportion equation
5,347,069.80 : 8,021,771.10 = 1,560,244.20 : x - Step 2: Convert to fraction form
5,347,069.80/8,021,771.10 = 1,560,244.20/x - Step 3: Cross multiply
5,347,069.80x = 8,021,771.10 × 1,560,244.20 - Step 4: Simplify right side
5,347,069.80x = 12,515,921,832,502.62 - Step 5: Solve for x
x = 12,515,921,832,502.62/5,347,069.80 - Step 6: Final answer
x = 2,340,706.65
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1.5x scale
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.