Finding the Fourth Proportional to 7,273,229.80, 10,909,844.70 and 3,229,709.80
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Solution
The fourth proportional to 7,273,229.80, 10,909,844.70 and 3,229,709.80 is: 4,844,564.70
Step by Step Solution
- Step 1: Write the proportion equation
7,273,229.80 : 10,909,844.70 = 3,229,709.80 : x - Step 2: Convert to fraction form
7,273,229.80/10,909,844.70 = 3,229,709.80/x - Step 3: Cross multiply
7,273,229.80x = 10,909,844.70 × 3,229,709.80 - Step 4: Simplify right side
7,273,229.80x = 35,235,632,344,068.05 - Step 5: Solve for x
x = 35,235,632,344,068.05/7,273,229.80 - Step 6: Final answer
x = 4,844,564.70
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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.