Finding the Fourth Proportional to 1,492,821.82, 2,058,826.44 and 1,261,382.68
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Solution
The fourth proportional to 1,492,821.82, 2,058,826.44 and 1,261,382.68 is: 1,739,636.96
Step by Step Solution
- Step 1: Write the proportion equation
1,492,821.82 : 2,058,826.44 = 1,261,382.68 : x - Step 2: Convert to fraction form
1,492,821.82/2,058,826.44 = 1,261,382.68/x - Step 3: Cross multiply
1,492,821.82x = 2,058,826.44 × 1,261,382.68 - Step 4: Simplify right side
1,492,821.82x = 2,596,968,012,542.06 - Step 5: Solve for x
x = 2,596,968,012,542.06/1,492,821.82 - Step 6: Final answer
x = 1,739,636.96
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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.