Finding the Fourth Proportional to 1,802,381.12, 2,487,349.08 and 986,585.33
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Solution
The fourth proportional to 1,802,381.12, 2,487,349.08 and 986,585.33 is: 1,361,522.31
Step by Step Solution
- Step 1: Write the proportion equation
1,802,381.12 : 2,487,349.08 = 986,585.33 : x - Step 2: Convert to fraction form
1,802,381.12/2,487,349.08 = 986,585.33/x - Step 3: Cross multiply
1,802,381.12x = 2,487,349.08 × 986,585.33 - Step 4: Simplify right side
1,802,381.12x = 2,453,982,100,480.25 - Step 5: Solve for x
x = 2,453,982,100,480.25/1,802,381.12 - Step 6: Final answer
x = 1,361,522.31
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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.