Finding the Fourth Proportional to 4,188,873.49, 5,781,114.62 and 2,535,931.69
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Solution
The fourth proportional to 4,188,873.49, 5,781,114.62 and 2,535,931.69 is: 3,499,869.79
Step by Step Solution
- Step 1: Write the proportion equation
4,188,873.49 : 5,781,114.62 = 2,535,931.69 : x - Step 2: Convert to fraction form
4,188,873.49/5,781,114.62 = 2,535,931.69/x - Step 3: Cross multiply
4,188,873.49x = 5,781,114.62 × 2,535,931.69 - Step 4: Simplify right side
4,188,873.49x = 14,660,511,768,380.31 - Step 5: Solve for x
x = 14,660,511,768,380.31/4,188,873.49 - Step 6: Final answer
x = 3,499,869.79
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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.