Finding the Fourth Proportional to 1,624,902.88, 2,242,349.88 and 879,825.22
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Solution
The fourth proportional to 1,624,902.88, 2,242,349.88 and 879,825.22 is: 1,214,150.09
Step by Step Solution
- Step 1: Write the proportion equation
1,624,902.88 : 2,242,349.88 = 879,825.22 : x - Step 2: Convert to fraction form
1,624,902.88/2,242,349.88 = 879,825.22/x - Step 3: Cross multiply
1,624,902.88x = 2,242,349.88 × 879,825.22 - Step 4: Simplify right side
1,624,902.88x = 1,972,875,976,487.97 - Step 5: Solve for x
x = 1,972,875,976,487.97/1,624,902.88 - Step 6: Final answer
x = 1,214,150.09
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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.