Finding the Fourth Proportional to 1,670,841.54, 2,305,764.09 and 906,895.44
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Solution
The fourth proportional to 1,670,841.54, 2,305,764.09 and 906,895.44 is: 1,251,517.21
Step by Step Solution
- Step 1: Write the proportion equation
1,670,841.54 : 2,305,764.09 = 906,895.44 : x - Step 2: Convert to fraction form
1,670,841.54/2,305,764.09 = 906,895.44/x - Step 3: Cross multiply
1,670,841.54x = 2,305,764.09 × 906,895.44 - Step 4: Simplify right side
1,670,841.54x = 2,091,086,938,936.75 - Step 5: Solve for x
x = 2,091,086,938,936.75/1,670,841.54 - Step 6: Final answer
x = 1,251,517.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.