Finding the Fourth Proportional to 5,560,749.20, 8,344,234.20 and 2,365,331.60
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Solution
The fourth proportional to 5,560,749.20, 8,344,234.20 and 2,365,331.60 is: 3,549,320.45
Step by Step Solution
- Step 1: Write the proportion equation
5,560,749.20 : 8,344,234.20 = 2,365,331.60 : x - Step 2: Convert to fraction form
5,560,749.20/8,344,234.20 = 2,365,331.60/x - Step 3: Cross multiply
5,560,749.20x = 8,344,234.20 × 2,365,331.60 - Step 4: Simplify right side
5,560,749.20x = 19,736,880,831,060.72 - Step 5: Solve for x
x = 19,736,880,831,060.72/5,560,749.20 - Step 6: Final answer
x = 3,549,320.45
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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.