Finding the Fourth Proportional to 3,759,354.82, 5,640,246.64 and 1,738,924.08
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Solution
The fourth proportional to 3,759,354.82, 5,640,246.64 and 1,738,924.08 is: 2,608,947.86
Step by Step Solution
- Step 1: Write the proportion equation
3,759,354.82 : 5,640,246.64 = 1,738,924.08 : x - Step 2: Convert to fraction form
3,759,354.82/5,640,246.64 = 1,738,924.08/x - Step 3: Cross multiply
3,759,354.82x = 5,640,246.64 × 1,738,924.08 - Step 4: Simplify right side
3,759,354.82x = 9,807,960,699,435.09 - Step 5: Solve for x
x = 9,807,960,699,435.09/3,759,354.82 - Step 6: Final answer
x = 2,608,947.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.