Finding the Fourth Proportional to 4,987,740.11, 6,883,157.75 and 2,922,261.45
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Solution
The fourth proportional to 4,987,740.11, 6,883,157.75 and 2,922,261.45 is: 4,032,765.56
Step by Step Solution
- Step 1: Write the proportion equation
4,987,740.11 : 6,883,157.75 = 2,922,261.45 : x - Step 2: Convert to fraction form
4,987,740.11/6,883,157.75 = 2,922,261.45/x - Step 3: Cross multiply
4,987,740.11x = 6,883,157.75 × 2,922,261.45 - Step 4: Simplify right side
4,987,740.11x = 20,114,386,539,788.08 - Step 5: Solve for x
x = 20,114,386,539,788.08/4,987,740.11 - Step 6: Final answer
x = 4,032,765.56
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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.