Finding the Fourth Proportional to 1,590,990.98, 2,195,183.49 and 937,643.87
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Solution
The fourth proportional to 1,590,990.98, 2,195,183.49 and 937,643.87 is: 1,293,722.19
Step by Step Solution
- Step 1: Write the proportion equation
1,590,990.98 : 2,195,183.49 = 937,643.87 : x - Step 2: Convert to fraction form
1,590,990.98/2,195,183.49 = 937,643.87/x - Step 3: Cross multiply
1,590,990.98x = 2,195,183.49 × 937,643.87 - Step 4: Simplify right side
1,590,990.98x = 2,058,300,331,947.79 - Step 5: Solve for x
x = 2,058,300,331,947.79/1,590,990.98 - Step 6: Final answer
x = 1,293,722.19
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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.