Finding the Fourth Proportional to 1,642,540.97, 2,266,682.45 and 917,398.75
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Solution
The fourth proportional to 1,642,540.97, 2,266,682.45 and 917,398.75 is: 1,265,996.82
Step by Step Solution
- Step 1: Write the proportion equation
1,642,540.97 : 2,266,682.45 = 917,398.75 : x - Step 2: Convert to fraction form
1,642,540.97/2,266,682.45 = 917,398.75/x - Step 3: Cross multiply
1,642,540.97x = 2,266,682.45 × 917,398.75 - Step 4: Simplify right side
1,642,540.97x = 2,079,451,646,276.94 - Step 5: Solve for x
x = 2,079,451,646,276.94/1,642,540.97 - Step 6: Final answer
x = 1,265,996.82
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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.