Finding the Fourth Proportional to 5,349,879.42, 7,382,834.07 and 3,058,090.14
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Solution
The fourth proportional to 5,349,879.42, 7,382,834.07 and 3,058,090.14 is: 4,220,164.66
Step by Step Solution
- Step 1: Write the proportion equation
5,349,879.42 : 7,382,834.07 = 3,058,090.14 : x - Step 2: Convert to fraction form
5,349,879.42/7,382,834.07 = 3,058,090.14/x - Step 3: Cross multiply
5,349,879.42x = 7,382,834.07 × 3,058,090.14 - Step 4: Simplify right side
5,349,879.42x = 22,577,372,074,723.07 - Step 5: Solve for x
x = 22,577,372,074,723.07/5,349,879.42 - Step 6: Final answer
x = 4,220,164.66
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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.