Finding the Fourth Proportional to 1,965,714.06, 2,713,522.43 and 1,321,507.94
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Solution
The fourth proportional to 1,965,714.06, 2,713,522.43 and 1,321,507.94 is: 1,824,243.66
Step by Step Solution
- Step 1: Write the proportion equation
1,965,714.06 : 2,713,522.43 = 1,321,507.94 : x - Step 2: Convert to fraction form
1,965,714.06/2,713,522.43 = 1,321,507.94/x - Step 3: Cross multiply
1,965,714.06x = 2,713,522.43 × 1,321,507.94 - Step 4: Simplify right side
1,965,714.06x = 3,585,941,426,349.25 - Step 5: Solve for x
x = 3,585,941,426,349.25/1,965,714.06 - Step 6: Final answer
x = 1,824,243.66
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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.