Finding the Fourth Proportional to 4,081,297.84, 5,632,021.90 and 2,220,721.03
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Solution
The fourth proportional to 4,081,297.84, 5,632,021.90 and 2,220,721.03 is: 3,064,502.99
Step by Step Solution
- Step 1: Write the proportion equation
4,081,297.84 : 5,632,021.90 = 2,220,721.03 : x - Step 2: Convert to fraction form
4,081,297.84/5,632,021.90 = 2,220,721.03/x - Step 3: Cross multiply
4,081,297.84x = 5,632,021.90 × 2,220,721.03 - Step 4: Simplify right side
4,081,297.84x = 12,507,149,455,397.21 - Step 5: Solve for x
x = 12,507,149,455,397.21/4,081,297.84 - Step 6: Final answer
x = 3,064,502.99
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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.