Finding the Fourth Proportional to 5,550,387.82, 7,659,703.47 and 3,103,101.97
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Solution
The fourth proportional to 5,550,387.82, 7,659,703.47 and 3,103,101.97 is: 4,282,374.80
Step by Step Solution
- Step 1: Write the proportion equation
5,550,387.82 : 7,659,703.47 = 3,103,101.97 : x - Step 2: Convert to fraction form
5,550,387.82/7,659,703.47 = 3,103,101.97/x - Step 3: Cross multiply
5,550,387.82x = 7,659,703.47 × 3,103,101.97 - Step 4: Simplify right side
5,550,387.82x = 23,768,840,927,372.84 - Step 5: Solve for x
x = 23,768,840,927,372.84/5,550,387.82 - Step 6: Final answer
x = 4,282,374.80
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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.