Finding the Fourth Proportional to 2,008,021.98, 2,771,064.63 and 1,203,205.98
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Solution
The fourth proportional to 2,008,021.98, 2,771,064.63 and 1,203,205.98 is: 1,660,420.84
Step by Step Solution
- Step 1: Write the proportion equation
2,008,021.98 : 2,771,064.63 = 1,203,205.98 : x - Step 2: Convert to fraction form
2,008,021.98/2,771,064.63 = 1,203,205.98/x - Step 3: Cross multiply
2,008,021.98x = 2,771,064.63 × 1,203,205.98 - Step 4: Simplify right side
2,008,021.98x = 3,334,161,533,782.49 - Step 5: Solve for x
x = 3,334,161,533,782.49/2,008,021.98 - Step 6: Final answer
x = 1,660,420.84
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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.