Finding the Fourth Proportional to 2,805,239.67, 3,869,435.66 and 1,945,486.23
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Solution
The fourth proportional to 2,805,239.67, 3,869,435.66 and 1,945,486.23 is: 2,683,526.07
Step by Step Solution
- Step 1: Write the proportion equation
2,805,239.67 : 3,869,435.66 = 1,945,486.23 : x - Step 2: Convert to fraction form
2,805,239.67/3,869,435.66 = 1,945,486.23/x - Step 3: Cross multiply
2,805,239.67x = 3,869,435.66 × 1,945,486.23 - Step 4: Simplify right side
2,805,239.67x = 7,527,933,784,673.53 - Step 5: Solve for x
x = 7,527,933,784,673.53/2,805,239.67 - Step 6: Final answer
x = 2,683,526.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.