Finding the Fourth Proportional to 5,241,637.87, 7,233,757.97 and 3,149,120.36
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Solution
The fourth proportional to 5,241,637.87, 7,233,757.97 and 3,149,120.36 is: 4,345,964.96
Step by Step Solution
- Step 1: Write the proportion equation
5,241,637.87 : 7,233,757.97 = 3,149,120.36 : x - Step 2: Convert to fraction form
5,241,637.87/7,233,757.97 = 3,149,120.36/x - Step 3: Cross multiply
5,241,637.87x = 7,233,757.97 × 3,149,120.36 - Step 4: Simplify right side
5,241,637.87x = 22,779,974,502,639.27 - Step 5: Solve for x
x = 22,779,974,502,639.27/5,241,637.87 - Step 6: Final answer
x = 4,345,964.96
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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.