Finding the Fourth Proportional to 1,969,689.28, 2,718,133.12 and 1,110,232.96
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Solution
The fourth proportional to 1,969,689.28, 2,718,133.12 and 1,110,232.96 is: 1,532,100.02
Step by Step Solution
- Step 1: Write the proportion equation
1,969,689.28 : 2,718,133.12 = 1,110,232.96 : x - Step 2: Convert to fraction form
1,969,689.28/2,718,133.12 = 1,110,232.96/x - Step 3: Cross multiply
1,969,689.28x = 2,718,133.12 × 1,110,232.96 - Step 4: Simplify right side
1,969,689.28x = 3,017,760,979,491.64 - Step 5: Solve for x
x = 3,017,760,979,491.64/1,969,689.28 - Step 6: Final answer
x = 1,532,100.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.