Finding the Fourth Proportional to 1,626,721.97, 2,243,567.36 and 1,430,067.98
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Solution
The fourth proportional to 1,626,721.97, 2,243,567.36 and 1,430,067.98 is: 1,972,343.09
Step by Step Solution
- Step 1: Write the proportion equation
1,626,721.97 : 2,243,567.36 = 1,430,067.98 : x - Step 2: Convert to fraction form
1,626,721.97/2,243,567.36 = 1,430,067.98/x - Step 3: Cross multiply
1,626,721.97x = 2,243,567.36 × 1,430,067.98 - Step 4: Simplify right side
1,626,721.97x = 3,208,453,836,923.36 - Step 5: Solve for x
x = 3,208,453,836,923.36/1,626,721.97 - Step 6: Final answer
x = 1,972,343.09
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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.