Finding the Fourth Proportional to 1,972,661.36, 2,724,152.96 and 1,865,190.54
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Solution
The fourth proportional to 1,972,661.36, 2,724,152.96 and 1,865,190.54 is: 2,575,740.79
Step by Step Solution
- Step 1: Write the proportion equation
1,972,661.36 : 2,724,152.96 = 1,865,190.54 : x - Step 2: Convert to fraction form
1,972,661.36/2,724,152.96 = 1,865,190.54/x - Step 3: Cross multiply
1,972,661.36x = 2,724,152.96 × 1,865,190.54 - Step 4: Simplify right side
1,972,661.36x = 5,081,064,335,167.97 - Step 5: Solve for x
x = 5,081,064,335,167.97/1,972,661.36 - Step 6: Final answer
x = 2,575,740.79
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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.