Finding the Fourth Proportional to 2,293,944.48, 3,165,464.08 and 1,275,287.20
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Solution
The fourth proportional to 2,293,944.48, 3,165,464.08 and 1,275,287.20 is: 1,759,796.66
Step by Step Solution
- Step 1: Write the proportion equation
2,293,944.48 : 3,165,464.08 = 1,275,287.20 : x - Step 2: Convert to fraction form
2,293,944.48/3,165,464.08 = 1,275,287.20/x - Step 3: Cross multiply
2,293,944.48x = 3,165,464.08 × 1,275,287.20 - Step 4: Simplify right side
2,293,944.48x = 4,036,875,823,283.78 - Step 5: Solve for x
x = 4,036,875,823,283.78/2,293,944.48 - Step 6: Final answer
x = 1,759,796.66
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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.