Finding the Fourth Proportional to 1,676,791.58, 2,313,899.79 and 912,847.82
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Solution
The fourth proportional to 1,676,791.58, 2,313,899.79 and 912,847.82 is: 1,259,690.47
Step by Step Solution
- Step 1: Write the proportion equation
1,676,791.58 : 2,313,899.79 = 912,847.82 : x - Step 2: Convert to fraction form
1,676,791.58/2,313,899.79 = 912,847.82/x - Step 3: Cross multiply
1,676,791.58x = 2,313,899.79 × 912,847.82 - Step 4: Simplify right side
1,676,791.58x = 2,112,238,378,999.96 - Step 5: Solve for x
x = 2,112,238,378,999.96/1,676,791.58 - Step 6: Final answer
x = 1,259,690.47
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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.