Finding the Fourth Proportional to 1,869,009.66, 2,802,316.79 and 789,229.76
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Solution
The fourth proportional to 1,869,009.66, 2,802,316.79 and 789,229.76 is: 1,183,338.88
Step by Step Solution
- Step 1: Write the proportion equation
1,869,009.66 : 2,802,316.79 = 789,229.76 : x - Step 2: Convert to fraction form
1,869,009.66/2,802,316.79 = 789,229.76/x - Step 3: Cross multiply
1,869,009.66x = 2,802,316.79 × 789,229.76 - Step 4: Simplify right side
1,869,009.66x = 2,211,671,795,577.16 - Step 5: Solve for x
x = 2,211,671,795,577.16/1,869,009.66 - Step 6: Final answer
x = 1,183,338.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.