Finding the Fourth Proportional to 3,248,728.96, 4,483,281.42 and 1,798,448.60
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Solution
The fourth proportional to 3,248,728.96, 4,483,281.42 and 1,798,448.60 is: 2,481,878.70
Step by Step Solution
- Step 1: Write the proportion equation
3,248,728.96 : 4,483,281.42 = 1,798,448.60 : x - Step 2: Convert to fraction form
3,248,728.96/4,483,281.42 = 1,798,448.60/x - Step 3: Cross multiply
3,248,728.96x = 4,483,281.42 × 1,798,448.60 - Step 4: Simplify right side
3,248,728.96x = 8,062,951,193,205.01 - Step 5: Solve for x
x = 8,062,951,193,205.01/3,248,728.96 - Step 6: Final answer
x = 2,481,878.70
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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.