Finding the Fourth Proportional to 4,374,408.30, 6,561,612.45 and 4,197,261.30
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Solution
The fourth proportional to 4,374,408.30, 6,561,612.45 and 4,197,261.30 is: 6,295,891.95
Step by Step Solution
- Step 1: Write the proportion equation
4,374,408.30 : 6,561,612.45 = 4,197,261.30 : x - Step 2: Convert to fraction form
4,374,408.30/6,561,612.45 = 4,197,261.30/x - Step 3: Cross multiply
4,374,408.30x = 6,561,612.45 × 4,197,261.30 - Step 4: Simplify right side
4,374,408.30x = 27,540,802,001,983.18 - Step 5: Solve for x
x = 27,540,802,001,983.18/4,374,408.30 - Step 6: Final answer
x = 6,295,891.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.