Finding the Fourth Proportional to 1,691,743.24, 2,334,389.70 and 966,637.90
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Solution
The fourth proportional to 1,691,743.24, 2,334,389.70 and 966,637.90 is: 1,333,836.90
Step by Step Solution
- Step 1: Write the proportion equation
1,691,743.24 : 2,334,389.70 = 966,637.90 : x - Step 2: Convert to fraction form
1,691,743.24/2,334,389.70 = 966,637.90/x - Step 3: Cross multiply
1,691,743.24x = 2,334,389.70 × 966,637.90 - Step 4: Simplify right side
1,691,743.24x = 2,256,509,557,389.63 - Step 5: Solve for x
x = 2,256,509,557,389.63/1,691,743.24 - Step 6: Final answer
x = 1,333,836.90
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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.