Finding the Fourth Proportional to 1,545,382.96, 2,132,756.15 and 857,276.67
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Solution
The fourth proportional to 1,545,382.96, 2,132,756.15 and 857,276.67 is: 1,183,112.62
Step by Step Solution
- Step 1: Write the proportion equation
1,545,382.96 : 2,132,756.15 = 857,276.67 : x - Step 2: Convert to fraction form
1,545,382.96/2,132,756.15 = 857,276.67/x - Step 3: Cross multiply
1,545,382.96x = 2,132,756.15 × 857,276.67 - Step 4: Simplify right side
1,545,382.96x = 1,828,362,079,530.24 - Step 5: Solve for x
x = 1,828,362,079,530.24/1,545,382.96 - Step 6: Final answer
x = 1,183,112.62
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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.