Finding the Fourth Proportional to 4,203,434.40, 6,304,276.80 and 1,170,016.80
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Solution
The fourth proportional to 4,203,434.40, 6,304,276.80 and 1,170,016.80 is: 1,754,781.70
Step by Step Solution
- Step 1: Write the proportion equation
4,203,434.40 : 6,304,276.80 = 1,170,016.80 : x - Step 2: Convert to fraction form
4,203,434.40/6,304,276.80 = 1,170,016.80/x - Step 3: Cross multiply
4,203,434.40x = 6,304,276.80 × 1,170,016.80 - Step 4: Simplify right side
4,203,434.40x = 7,376,109,767,850.24 - Step 5: Solve for x
x = 7,376,109,767,850.24/4,203,434.40 - Step 6: Final answer
x = 1,754,781.70
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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.