Finding the Fourth Proportional to 1,866,638.71, 2,799,958.09 and 1,067,359.62
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Solution
The fourth proportional to 1,866,638.71, 2,799,958.09 and 1,067,359.62 is: 1,601,039.44
Step by Step Solution
- Step 1: Write the proportion equation
1,866,638.71 : 2,799,958.09 = 1,067,359.62 : x - Step 2: Convert to fraction form
1,866,638.71/2,799,958.09 = 1,067,359.62/x - Step 3: Cross multiply
1,866,638.71x = 2,799,958.09 × 1,067,359.62 - Step 4: Simplify right side
1,866,638.71x = 2,988,562,202,958.33 - Step 5: Solve for x
x = 2,988,562,202,958.33/1,866,638.71 - Step 6: Final answer
x = 1,601,039.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.