Finding the Fourth Proportional to 1,919,949.67, 2,649,479.92 and 1,060,491.48
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Solution
The fourth proportional to 1,919,949.67, 2,649,479.92 and 1,060,491.48 is: 1,463,450.28
Step by Step Solution
- Step 1: Write the proportion equation
1,919,949.67 : 2,649,479.92 = 1,060,491.48 : x - Step 2: Convert to fraction form
1,919,949.67/2,649,479.92 = 1,060,491.48/x - Step 3: Cross multiply
1,919,949.67x = 2,649,479.92 × 1,060,491.48 - Step 4: Simplify right side
1,919,949.67x = 2,809,750,881,591.08 - Step 5: Solve for x
x = 2,809,750,881,591.08/1,919,949.67 - Step 6: Final answer
x = 1,463,450.28
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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.