Finding the Fourth Proportional to 2,008,403.08, 2,771,660.10 and 1,102,985.08
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Solution
The fourth proportional to 2,008,403.08, 2,771,660.10 and 1,102,985.08 is: 1,522,154.48
Step by Step Solution
- Step 1: Write the proportion equation
2,008,403.08 : 2,771,660.10 = 1,102,985.08 : x - Step 2: Convert to fraction form
2,008,403.08/2,771,660.10 = 1,102,985.08/x - Step 3: Cross multiply
2,008,403.08x = 2,771,660.10 × 1,102,985.08 - Step 4: Simplify right side
2,008,403.08x = 3,057,099,737,131.31 - Step 5: Solve for x
x = 3,057,099,737,131.31/2,008,403.08 - Step 6: Final answer
x = 1,522,154.48
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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.