Finding the Fourth Proportional to 1,878,660.92, 2,592,557.62 and 1,019,228.24
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Solution
The fourth proportional to 1,878,660.92, 2,592,557.62 and 1,019,228.24 is: 1,406,537.98
Step by Step Solution
- Step 1: Write the proportion equation
1,878,660.92 : 2,592,557.62 = 1,019,228.24 : x - Step 2: Convert to fraction form
1,878,660.92/2,592,557.62 = 1,019,228.24/x - Step 3: Cross multiply
1,878,660.92x = 2,592,557.62 × 1,019,228.24 - Step 4: Simplify right side
1,878,660.92x = 2,642,407,940,131.19 - Step 5: Solve for x
x = 2,642,407,940,131.19/1,878,660.92 - Step 6: Final answer
x = 1,406,537.98
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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.