Finding the Fourth Proportional to 1,691,743.74, 2,334,390.39 and 966,638.40
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Solution
The fourth proportional to 1,691,743.74, 2,334,390.39 and 966,638.40 is: 1,333,837.59
Step by Step Solution
- Step 1: Write the proportion equation
1,691,743.74 : 2,334,390.39 = 966,638.40 : x - Step 2: Convert to fraction form
1,691,743.74/2,334,390.39 = 966,638.40/x - Step 3: Cross multiply
1,691,743.74x = 2,334,390.39 × 966,638.40 - Step 4: Simplify right side
1,691,743.74x = 2,256,511,391,564.98 - Step 5: Solve for x
x = 2,256,511,391,564.98/1,691,743.74 - Step 6: Final answer
x = 1,333,837.59
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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.