Finding the Fourth Proportional to 2,620,155.12, 3,615,797.88 and 1,474,243.44
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Solution
The fourth proportional to 2,620,155.12, 3,615,797.88 and 1,474,243.44 is: 2,034,446.84
Step by Step Solution
- Step 1: Write the proportion equation
2,620,155.12 : 3,615,797.88 = 1,474,243.44 : x - Step 2: Convert to fraction form
2,620,155.12/3,615,797.88 = 1,474,243.44/x - Step 3: Cross multiply
2,620,155.12x = 3,615,797.88 × 1,474,243.44 - Step 4: Simplify right side
2,620,155.12x = 5,330,566,304,955.91 - Step 5: Solve for x
x = 5,330,566,304,955.91/2,620,155.12 - Step 6: Final answer
x = 2,034,446.84
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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.