Finding the Fourth Proportional to 2,855,276.01, 3,940,286.58 and 1,566,126.99
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Solution
The fourth proportional to 2,855,276.01, 3,940,286.58 and 1,566,126.99 is: 2,161,258.37
Step by Step Solution
- Step 1: Write the proportion equation
2,855,276.01 : 3,940,286.58 = 1,566,126.99 : x - Step 2: Convert to fraction form
2,855,276.01/3,940,286.58 = 1,566,126.99/x - Step 3: Cross multiply
2,855,276.01x = 3,940,286.58 × 1,566,126.99 - Step 4: Simplify right side
2,855,276.01x = 6,170,989,161,272.79 - Step 5: Solve for x
x = 6,170,989,161,272.79/2,855,276.01 - Step 6: Final answer
x = 2,161,258.37
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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.