Finding the Fourth Proportional to 4,875,442.27, 6,728,219.21 and 2,782,243.02
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Solution
The fourth proportional to 4,875,442.27, 6,728,219.21 and 2,782,243.02 is: 3,839,557.50
Step by Step Solution
- Step 1: Write the proportion equation
4,875,442.27 : 6,728,219.21 = 2,782,243.02 : x - Step 2: Convert to fraction form
4,875,442.27/6,728,219.21 = 2,782,243.02/x - Step 3: Cross multiply
4,875,442.27x = 6,728,219.21 × 2,782,243.02 - Step 4: Simplify right side
4,875,442.27x = 18,719,540,934,052.41 - Step 5: Solve for x
x = 18,719,540,934,052.41/4,875,442.27 - Step 6: Final answer
x = 3,839,557.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.