Finding the Fourth Proportional to 5,478,015.40, 8,201,276.70 and 3,352,251.40
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Solution
The fourth proportional to 5,478,015.40, 8,201,276.70 and 3,352,251.40 is: 5,018,741.15
Step by Step Solution
- Step 1: Write the proportion equation
5,478,015.40 : 8,201,276.70 = 3,352,251.40 : x - Step 2: Convert to fraction form
5,478,015.40/8,201,276.70 = 3,352,251.40/x - Step 3: Cross multiply
5,478,015.40x = 8,201,276.70 × 3,352,251.40 - Step 4: Simplify right side
5,478,015.40x = 27,492,741,299,362.38 - Step 5: Solve for x
x = 27,492,741,299,362.38/5,478,015.40 - Step 6: Final answer
x = 5,018,741.15
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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.