Finding the Fourth Proportional to 6,423,129.09, 9,633,755.79 and 1,872,955.17
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Solution
The fourth proportional to 6,423,129.09, 9,633,755.79 and 1,872,955.17 is: 2,809,159.28
Step by Step Solution
- Step 1: Write the proportion equation
6,423,129.09 : 9,633,755.79 = 1,872,955.17 : x - Step 2: Convert to fraction form
6,423,129.09/9,633,755.79 = 1,872,955.17/x - Step 3: Cross multiply
6,423,129.09x = 9,633,755.79 × 1,872,955.17 - Step 4: Simplify right side
6,423,129.09x = 18,043,592,713,397.93 - Step 5: Solve for x
x = 18,043,592,713,397.93/6,423,129.09 - Step 6: Final answer
x = 2,809,159.28
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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.