Finding the Fourth Proportional to 1,695,218.14, 2,339,389.92 and 920,841.94
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Solution
The fourth proportional to 1,695,218.14, 2,339,389.92 and 920,841.94 is: 1,270,755.84
Step by Step Solution
- Step 1: Write the proportion equation
1,695,218.14 : 2,339,389.92 = 920,841.94 : x - Step 2: Convert to fraction form
1,695,218.14/2,339,389.92 = 920,841.94/x - Step 3: Cross multiply
1,695,218.14x = 2,339,389.92 × 920,841.94 - Step 4: Simplify right side
1,695,218.14x = 2,154,208,352,349.24 - Step 5: Solve for x
x = 2,154,208,352,349.24/1,695,218.14 - Step 6: Final answer
x = 1,270,755.84
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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.