Finding the Fourth Proportional to 5,146,276.80, 7,719,415.20 and 5,057,803.20
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Solution
The fourth proportional to 5,146,276.80, 7,719,415.20 and 5,057,803.20 is: 7,586,704.80
Step by Step Solution
- Step 1: Write the proportion equation
5,146,276.80 : 7,719,415.20 = 5,057,803.20 : x - Step 2: Convert to fraction form
5,146,276.80/7,719,415.20 = 5,057,803.20/x - Step 3: Cross multiply
5,146,276.80x = 7,719,415.20 × 5,057,803.20 - Step 4: Simplify right side
5,146,276.80x = 39,043,282,900,688.64 - Step 5: Solve for x
x = 39,043,282,900,688.64/5,146,276.80 - Step 6: Final answer
x = 7,586,704.80
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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.