Finding the Fourth Proportional to 4,887,020.74, 6,744,315.82 and 3,052,565.14
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Solution
The fourth proportional to 4,887,020.74, 6,744,315.82 and 3,052,565.14 is: 4,212,681.81
Step by Step Solution
- Step 1: Write the proportion equation
4,887,020.74 : 6,744,315.82 = 3,052,565.14 : x - Step 2: Convert to fraction form
4,887,020.74/6,744,315.82 = 3,052,565.14/x - Step 3: Cross multiply
4,887,020.74x = 6,744,315.82 × 3,052,565.14 - Step 4: Simplify right side
4,887,020.74x = 20,587,463,365,282.52 - Step 5: Solve for x
x = 20,587,463,365,282.52/4,887,020.74 - Step 6: Final answer
x = 4,212,681.81
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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.