Finding the Fourth Proportional to 1,939,476.24, 2,676,305.64 and 1,123,418.96
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Solution
The fourth proportional to 1,939,476.24, 2,676,305.64 and 1,123,418.96 is: 1,550,218.78
Step by Step Solution
- Step 1: Write the proportion equation
1,939,476.24 : 2,676,305.64 = 1,123,418.96 : x - Step 2: Convert to fraction form
1,939,476.24/2,676,305.64 = 1,123,418.96/x - Step 3: Cross multiply
1,939,476.24x = 2,676,305.64 × 1,123,418.96 - Step 4: Simplify right side
1,939,476.24x = 3,006,612,498,730.93 - Step 5: Solve for x
x = 3,006,612,498,730.93/1,939,476.24 - Step 6: Final answer
x = 1,550,218.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.