Finding the Fourth Proportional to 7,040,445.37, 9,714,149.36 and 3,984,659.62
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Solution
The fourth proportional to 7,040,445.37, 9,714,149.36 and 3,984,659.62 is: 5,497,887.80
Step by Step Solution
- Step 1: Write the proportion equation
7,040,445.37 : 9,714,149.36 = 3,984,659.62 : x - Step 2: Convert to fraction form
7,040,445.37/9,714,149.36 = 3,984,659.62/x - Step 3: Cross multiply
7,040,445.37x = 9,714,149.36 × 3,984,659.62 - Step 4: Simplify right side
7,040,445.37x = 38,707,578,658,831.75 - Step 5: Solve for x
x = 38,707,578,658,831.75/7,040,445.37 - Step 6: Final answer
x = 5,497,887.80
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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.