Finding the Fourth Proportional to 1,582,269.32, 2,183,542.18 and 857,117.09
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Solution
The fourth proportional to 1,582,269.32, 2,183,542.18 and 857,117.09 is: 1,182,827.28
Step by Step Solution
- Step 1: Write the proportion equation
1,582,269.32 : 2,183,542.18 = 857,117.09 : x - Step 2: Convert to fraction form
1,582,269.32/2,183,542.18 = 857,117.09/x - Step 3: Cross multiply
1,582,269.32x = 2,183,542.18 × 857,117.09 - Step 4: Simplify right side
1,582,269.32x = 1,871,551,322,529.92 - Step 5: Solve for x
x = 1,871,551,322,529.92/1,582,269.32 - Step 6: Final answer
x = 1,182,827.28
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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.