Finding the Fourth Proportional to 1,961,995.19, 2,708,293.23 and 1,146,463.92
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Solution
The fourth proportional to 1,961,995.19, 2,708,293.23 and 1,146,463.92 is: 1,582,552.54
Step by Step Solution
- Step 1: Write the proportion equation
1,961,995.19 : 2,708,293.23 = 1,146,463.92 : x - Step 2: Convert to fraction form
1,961,995.19/2,708,293.23 = 1,146,463.92/x - Step 3: Cross multiply
1,961,995.19x = 2,708,293.23 × 1,146,463.92 - Step 4: Simplify right side
1,961,995.19x = 3,104,960,472,975.26 - Step 5: Solve for x
x = 3,104,960,472,975.26/1,961,995.19 - Step 6: Final answer
x = 1,582,552.54
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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.