Finding the Fourth Proportional to 5,927,789.68, 8,180,357.80 and 3,211,535.68
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Solution
The fourth proportional to 5,927,789.68, 8,180,357.80 and 3,211,535.68 is: 4,431,923.60
Step by Step Solution
- Step 1: Write the proportion equation
5,927,789.68 : 8,180,357.80 = 3,211,535.68 : x - Step 2: Convert to fraction form
5,927,789.68/8,180,357.80 = 3,211,535.68/x - Step 3: Cross multiply
5,927,789.68x = 8,180,357.80 × 3,211,535.68 - Step 4: Simplify right side
5,927,789.68x = 26,271,510,949,866.30 - Step 5: Solve for x
x = 26,271,510,949,866.30/5,927,789.68 - Step 6: Final answer
x = 4,431,923.60
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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.