Finding the Fourth Proportional to 1,474,404.12, 2,034,612.24 and 821,063.84
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Solution
The fourth proportional to 1,474,404.12, 2,034,612.24 and 821,063.84 is: 1,133,031.65
Step by Step Solution
- Step 1: Write the proportion equation
1,474,404.12 : 2,034,612.24 = 821,063.84 : x - Step 2: Convert to fraction form
1,474,404.12/2,034,612.24 = 821,063.84/x - Step 3: Cross multiply
1,474,404.12x = 2,034,612.24 × 821,063.84 - Step 4: Simplify right side
1,474,404.12x = 1,670,546,538,685.40 - Step 5: Solve for x
x = 1,670,546,538,685.40/1,474,404.12 - Step 6: Final answer
x = 1,133,031.65
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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.