Finding the Fourth Proportional to 1,939,309.68, 2,907,991.29 and 1,129,955.66
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Solution
The fourth proportional to 1,939,309.68, 2,907,991.29 and 1,129,955.66 is: 1,694,366.42
Step by Step Solution
- Step 1: Write the proportion equation
1,939,309.68 : 2,907,991.29 = 1,129,955.66 : x - Step 2: Convert to fraction form
1,939,309.68/2,907,991.29 = 1,129,955.66/x - Step 3: Cross multiply
1,939,309.68x = 2,907,991.29 × 1,129,955.66 - Step 4: Simplify right side
1,939,309.68x = 3,285,901,202,826.25 - Step 5: Solve for x
x = 3,285,901,202,826.25/1,939,309.68 - Step 6: Final answer
x = 1,694,366.42
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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.