Finding the Fourth Proportional to 2,695,891.20, 3,721,153.68 and 1,663,714.68
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Solution
The fourth proportional to 2,695,891.20, 3,721,153.68 and 1,663,714.68 is: 2,296,434.66
Step by Step Solution
- Step 1: Write the proportion equation
2,695,891.20 : 3,721,153.68 = 1,663,714.68 : x - Step 2: Convert to fraction form
2,695,891.20/3,721,153.68 = 1,663,714.68/x - Step 3: Cross multiply
2,695,891.20x = 3,721,153.68 × 1,663,714.68 - Step 4: Simplify right side
2,695,891.20x = 6,190,938,003,952.02 - Step 5: Solve for x
x = 6,190,938,003,952.02/2,695,891.20 - Step 6: Final answer
x = 2,296,434.66
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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.