Finding the Fourth Proportional to 5,637,764.73, 7,780,120.42 and 3,059,445.53
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Solution
The fourth proportional to 5,637,764.73, 7,780,120.42 and 3,059,445.53 is: 4,222,037.60
Step by Step Solution
- Step 1: Write the proportion equation
5,637,764.73 : 7,780,120.42 = 3,059,445.53 : x - Step 2: Convert to fraction form
5,637,764.73/7,780,120.42 = 3,059,445.53/x - Step 3: Cross multiply
5,637,764.73x = 7,780,120.42 × 3,059,445.53 - Step 4: Simplify right side
5,637,764.73x = 23,802,854,659,368.87 - Step 5: Solve for x
x = 23,802,854,659,368.87/5,637,764.73 - Step 6: Final answer
x = 4,222,037.60
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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.