Finding the Fourth Proportional to 1,283,428.12, 1,922,374.53 and 1,207,970.24
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Solution
The fourth proportional to 1,283,428.12, 1,922,374.53 and 1,207,970.24 is: 1,809,350.43
Step by Step Solution
- Step 1: Write the proportion equation
1,283,428.12 : 1,922,374.53 = 1,207,970.24 : x - Step 2: Convert to fraction form
1,283,428.12/1,922,374.53 = 1,207,970.24/x - Step 3: Cross multiply
1,283,428.12x = 1,922,374.53 × 1,207,970.24 - Step 4: Simplify right side
1,283,428.12x = 2,322,171,212,762.11 - Step 5: Solve for x
x = 2,322,171,212,762.11/1,283,428.12 - Step 6: Final answer
x = 1,809,350.43
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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.