Finding the Fourth Proportional to 6,717,525, 9,269,721.12 and 3,777,781.44
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Solution
The fourth proportional to 6,717,525, 9,269,721.12 and 3,777,781.44 is: 5,213,077.79
Step by Step Solution
- Step 1: Write the proportion equation
6,717,525 : 9,269,721.12 = 3,777,781.44 : x - Step 2: Convert to fraction form
6,717,525/9,269,721.12 = 3,777,781.44/x - Step 3: Cross multiply
6,717,525x = 9,269,721.12 × 3,777,781.44 - Step 4: Simplify right side
6,717,525x = 35,018,980,401,112.01 - Step 5: Solve for x
x = 35,018,980,401,112.01/6,717,525 - Step 6: Final answer
x = 5,213,077.79
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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.