Finding the Fourth Proportional to 4,305,672.81, 5,947,871.99 and 4,078,924.65
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Solution
The fourth proportional to 4,305,672.81, 5,947,871.99 and 4,078,924.65 is: 5,634,641.26
Step by Step Solution
- Step 1: Write the proportion equation
4,305,672.81 : 5,947,871.99 = 4,078,924.65 : x - Step 2: Convert to fraction form
4,305,672.81/5,947,871.99 = 4,078,924.65/x - Step 3: Cross multiply
4,305,672.81x = 5,947,871.99 × 4,078,924.65 - Step 4: Simplify right side
4,305,672.81x = 24,260,921,654,660.93 - Step 5: Solve for x
x = 24,260,921,654,660.93/4,305,672.81 - Step 6: Final answer
x = 5,634,641.26
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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.