Finding the Fourth Proportional to 1,371,346.62, 2,058,346.71 and 661,874.10
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Solution
The fourth proportional to 1,371,346.62, 2,058,346.71 and 661,874.10 is: 993,451.51
Step by Step Solution
- Step 1: Write the proportion equation
1,371,346.62 : 2,058,346.71 = 661,874.10 : x - Step 2: Convert to fraction form
1,371,346.62/2,058,346.71 = 661,874.10/x - Step 3: Cross multiply
1,371,346.62x = 2,058,346.71 × 661,874.10 - Step 4: Simplify right side
1,371,346.62x = 1,362,366,376,169.21 - Step 5: Solve for x
x = 1,362,366,376,169.21/1,371,346.62 - Step 6: Final answer
x = 993,451.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.