Finding the Fourth Proportional to 5,198,355.64, 7,799,304.06 and 2,802,430.60
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Solution
The fourth proportional to 5,198,355.64, 7,799,304.06 and 2,802,430.60 is: 4,204,600.43
Step by Step Solution
- Step 1: Write the proportion equation
5,198,355.64 : 7,799,304.06 = 2,802,430.60 : x - Step 2: Convert to fraction form
5,198,355.64/7,799,304.06 = 2,802,430.60/x - Step 3: Cross multiply
5,198,355.64x = 7,799,304.06 × 2,802,430.60 - Step 4: Simplify right side
5,198,355.64x = 21,857,008,356,448.23 - Step 5: Solve for x
x = 21,857,008,356,448.23/5,198,355.64 - Step 6: Final answer
x = 4,204,600.43
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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.