Finding the Fourth Proportional to 3,535,811.28, 5,304,108.15 and 1,261,865.88
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Solution
The fourth proportional to 3,535,811.28, 5,304,108.15 and 1,261,865.88 is: 1,892,938.44
Step by Step Solution
- Step 1: Write the proportion equation
3,535,811.28 : 5,304,108.15 = 1,261,865.88 : x - Step 2: Convert to fraction form
3,535,811.28/5,304,108.15 = 1,261,865.88/x - Step 3: Cross multiply
3,535,811.28x = 5,304,108.15 × 1,261,865.88 - Step 4: Simplify right side
3,535,811.28x = 6,693,073,098,314.92 - Step 5: Solve for x
x = 6,693,073,098,314.92/3,535,811.28 - Step 6: Final answer
x = 1,892,938.44
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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.