Finding the Fourth Proportional to 1,691,854.09, 2,334,776.62 and 917,486.44
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Solution
The fourth proportional to 1,691,854.09, 2,334,776.62 and 917,486.44 is: 1,266,141.04
Step by Step Solution
- Step 1: Write the proportion equation
1,691,854.09 : 2,334,776.62 = 917,486.44 : x - Step 2: Convert to fraction form
1,691,854.09/2,334,776.62 = 917,486.44/x - Step 3: Cross multiply
1,691,854.09x = 2,334,776.62 × 917,486.44 - Step 4: Simplify right side
1,691,854.09x = 2,142,125,889,279.03 - Step 5: Solve for x
x = 2,142,125,889,279.03/1,691,854.09 - Step 6: Final answer
x = 1,266,141.04
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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.