Finding the Fourth Proportional to 5,708,271.75, 7,881,548.49 and 3,674,624.19
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Solution
The fourth proportional to 5,708,271.75, 7,881,548.49 and 3,674,624.19 is: 5,073,642.25
Step by Step Solution
- Step 1: Write the proportion equation
5,708,271.75 : 7,881,548.49 = 3,674,624.19 : x - Step 2: Convert to fraction form
5,708,271.75/7,881,548.49 = 3,674,624.19/x - Step 3: Cross multiply
5,708,271.75x = 7,881,548.49 × 3,674,624.19 - Step 4: Simplify right side
5,708,271.75x = 28,961,728,736,011.97 - Step 5: Solve for x
x = 28,961,728,736,011.97/5,708,271.75 - Step 6: Final answer
x = 5,073,642.25
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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.