Finding the Fourth Proportional to 4,994,741.18, 6,888,064.74 and 3,315,354.20
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Solution
The fourth proportional to 4,994,741.18, 6,888,064.74 and 3,315,354.20 is: 4,572,083.63
Step by Step Solution
- Step 1: Write the proportion equation
4,994,741.18 : 6,888,064.74 = 3,315,354.20 : x - Step 2: Convert to fraction form
4,994,741.18/6,888,064.74 = 3,315,354.20/x - Step 3: Cross multiply
4,994,741.18x = 6,888,064.74 × 3,315,354.20 - Step 4: Simplify right side
4,994,741.18x = 22,836,374,365,630.91 - Step 5: Solve for x
x = 22,836,374,365,630.91/4,994,741.18 - Step 6: Final answer
x = 4,572,083.63
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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.