Finding the Fourth Proportional to 3,045,228.48, 4,202,233.20 and 1,687,003.20
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Solution
The fourth proportional to 3,045,228.48, 4,202,233.20 and 1,687,003.20 is: 2,327,963.53
Step by Step Solution
- Step 1: Write the proportion equation
3,045,228.48 : 4,202,233.20 = 1,687,003.20 : x - Step 2: Convert to fraction form
3,045,228.48/4,202,233.20 = 1,687,003.20/x - Step 3: Cross multiply
3,045,228.48x = 4,202,233.20 × 1,687,003.20 - Step 4: Simplify right side
3,045,228.48x = 7,089,180,855,546.24 - Step 5: Solve for x
x = 7,089,180,855,546.24/3,045,228.48 - Step 6: Final answer
x = 2,327,963.53
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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.