Finding the Fourth Proportional to 4,854,490.61, 7,279,842.75 and 1,820,203.07
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Solution
The fourth proportional to 4,854,490.61, 7,279,842.75 and 1,820,203.07 is: 2,729,594.75
Step by Step Solution
- Step 1: Write the proportion equation
4,854,490.61 : 7,279,842.75 = 1,820,203.07 : x - Step 2: Convert to fraction form
4,854,490.61/7,279,842.75 = 1,820,203.07/x - Step 3: Cross multiply
4,854,490.61x = 7,279,842.75 × 1,820,203.07 - Step 4: Simplify right side
4,854,490.61x = 13,250,792,086,268.03 - Step 5: Solve for x
x = 13,250,792,086,268.03/4,854,490.61 - Step 6: Final answer
x = 2,729,594.75
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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.