Finding the Fourth Proportional to 1,888,921.08, 2,607,707.79 and 1,517,371.92
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Solution
The fourth proportional to 1,888,921.08, 2,607,707.79 and 1,517,371.92 is: 2,094,773.90
Step by Step Solution
- Step 1: Write the proportion equation
1,888,921.08 : 2,607,707.79 = 1,517,371.92 : x - Step 2: Convert to fraction form
1,888,921.08/2,607,707.79 = 1,517,371.92/x - Step 3: Cross multiply
1,888,921.08x = 2,607,707.79 × 1,517,371.92 - Step 4: Simplify right side
1,888,921.08x = 3,956,862,576,111.26 - Step 5: Solve for x
x = 3,956,862,576,111.26/1,888,921.08 - Step 6: Final answer
x = 2,094,773.90
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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.