Finding the Fourth Proportional to 5,241,971.56, 7,233,851.74 and 2,887,124.06
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Solution
The fourth proportional to 5,241,971.56, 7,233,851.74 and 2,887,124.06 is: 3,984,193.19
Step by Step Solution
- Step 1: Write the proportion equation
5,241,971.56 : 7,233,851.74 = 2,887,124.06 : x - Step 2: Convert to fraction form
5,241,971.56/7,233,851.74 = 2,887,124.06/x - Step 3: Cross multiply
5,241,971.56x = 7,233,851.74 × 2,887,124.06 - Step 4: Simplify right side
5,241,971.56x = 20,885,027,405,026.87 - Step 5: Solve for x
x = 20,885,027,405,026.87/5,241,971.56 - Step 6: Final answer
x = 3,984,193.19
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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.