Finding the Fourth Proportional to 5,642,149.70, 7,786,055.37 and 3,319,293.26
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Solution
The fourth proportional to 5,642,149.70, 7,786,055.37 and 3,319,293.26 is: 4,580,559.27
Step by Step Solution
- Step 1: Write the proportion equation
5,642,149.70 : 7,786,055.37 = 3,319,293.26 : x - Step 2: Convert to fraction form
5,642,149.70/7,786,055.37 = 3,319,293.26/x - Step 3: Cross multiply
5,642,149.70x = 7,786,055.37 × 3,319,293.26 - Step 4: Simplify right side
5,642,149.70x = 25,844,201,072,697.53 - Step 5: Solve for x
x = 25,844,201,072,697.53/5,642,149.70 - Step 6: Final answer
x = 4,580,559.27
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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.