Finding the Fourth Proportional to 2,056,596.48, 2,838,101.36 and 1,138,825.58
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Solution
The fourth proportional to 2,056,596.48, 2,838,101.36 and 1,138,825.58 is: 1,571,578.30
Step by Step Solution
- Step 1: Write the proportion equation
2,056,596.48 : 2,838,101.36 = 1,138,825.58 : x - Step 2: Convert to fraction form
2,056,596.48/2,838,101.36 = 1,138,825.58/x - Step 3: Cross multiply
2,056,596.48x = 2,838,101.36 × 1,138,825.58 - Step 4: Simplify right side
2,056,596.48x = 3,232,102,407,516.15 - Step 5: Solve for x
x = 3,232,102,407,516.15/2,056,596.48 - Step 6: Final answer
x = 1,571,578.30
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1.5x scale
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.