Finding the Fourth Proportional to 5,762,568.72, 7,953,838.62 and 3,315,430.44
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Solution
The fourth proportional to 5,762,568.72, 7,953,838.62 and 3,315,430.44 is: 4,576,153.44
Step by Step Solution
- Step 1: Write the proportion equation
5,762,568.72 : 7,953,838.62 = 3,315,430.44 : x - Step 2: Convert to fraction form
5,762,568.72/7,953,838.62 = 3,315,430.44/x - Step 3: Cross multiply
5,762,568.72x = 7,953,838.62 × 3,315,430.44 - Step 4: Simplify right side
5,762,568.72x = 26,370,398,675,595.59 - Step 5: Solve for x
x = 26,370,398,675,595.59/5,762,568.72 - Step 6: Final answer
x = 4,576,153.44
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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.