Finding the Fourth Proportional to 1,917,804.96, 2,646,634.36 and 1,046,687.20
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Solution
The fourth proportional to 1,917,804.96, 2,646,634.36 and 1,046,687.20 is: 1,444,463.00
Step by Step Solution
- Step 1: Write the proportion equation
1,917,804.96 : 2,646,634.36 = 1,046,687.20 : x - Step 2: Convert to fraction form
1,917,804.96/2,646,634.36 = 1,046,687.20/x - Step 3: Cross multiply
1,917,804.96x = 2,646,634.36 × 1,046,687.20 - Step 4: Simplify right side
1,917,804.96x = 2,770,198,307,692.19 - Step 5: Solve for x
x = 2,770,198,307,692.19/1,917,804.96 - Step 6: Final answer
x = 1,444,463.00
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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.