Finding the Fourth Proportional to 7,242,003.20, 10,863,004.80 and 2,193,313.70
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Solution
The fourth proportional to 7,242,003.20, 10,863,004.80 and 2,193,313.70 is: 3,289,970.55
Step by Step Solution
- Step 1: Write the proportion equation
7,242,003.20 : 10,863,004.80 = 2,193,313.70 : x - Step 2: Convert to fraction form
7,242,003.20/10,863,004.80 = 2,193,313.70/x - Step 3: Cross multiply
7,242,003.20x = 10,863,004.80 × 2,193,313.70 - Step 4: Simplify right side
7,242,003.20x = 23,825,977,251,005.76 - Step 5: Solve for x
x = 23,825,977,251,005.76/7,242,003.20 - Step 6: Final answer
x = 3,289,970.55
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Similar ratio
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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.