Finding the Fourth Proportional to 3,539,320.12, 4,884,121.06 and 2,089,482.58
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Solution
The fourth proportional to 3,539,320.12, 4,884,121.06 and 2,089,482.58 is: 2,883,402.89
Step by Step Solution
- Step 1: Write the proportion equation
3,539,320.12 : 4,884,121.06 = 2,089,482.58 : x - Step 2: Convert to fraction form
3,539,320.12/4,884,121.06 = 2,089,482.58/x - Step 3: Cross multiply
3,539,320.12x = 4,884,121.06 × 2,089,482.58 - Step 4: Simplify right side
3,539,320.12x = 10,205,285,873,481.13 - Step 5: Solve for x
x = 10,205,285,873,481.13/3,539,320.12 - Step 6: Final answer
x = 2,883,402.89
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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.