Finding the Fourth Proportional to 2,395,786.14, 3,304,991.70 and 1,428,234.66
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Solution
The fourth proportional to 2,395,786.14, 3,304,991.70 and 1,428,234.66 is: 1,970,252.53
Step by Step Solution
- Step 1: Write the proportion equation
2,395,786.14 : 3,304,991.70 = 1,428,234.66 : x - Step 2: Convert to fraction form
2,395,786.14/3,304,991.70 = 1,428,234.66/x - Step 3: Cross multiply
2,395,786.14x = 3,304,991.70 × 1,428,234.66 - Step 4: Simplify right side
2,395,786.14x = 4,720,303,696,952.32 - Step 5: Solve for x
x = 4,720,303,696,952.32/2,395,786.14 - Step 6: Final answer
x = 1,970,252.53
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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.