Finding the Fourth Proportional to 5,555,756.37, 8,375,276.07 and 5,185,408.42
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Solution
The fourth proportional to 5,555,756.37, 8,375,276.07 and 5,185,408.42 is: 7,816,978.31
Step by Step Solution
- Step 1: Write the proportion equation
5,555,756.37 : 8,375,276.07 = 5,185,408.42 : x - Step 2: Convert to fraction form
5,555,756.37/8,375,276.07 = 5,185,408.42/x - Step 3: Cross multiply
5,555,756.37x = 8,375,276.07 × 5,185,408.42 - Step 4: Simplify right side
5,555,756.37x = 43,429,227,053,202.51 - Step 5: Solve for x
x = 43,429,227,053,202.51/5,555,756.37 - Step 6: Final answer
x = 7,816,978.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.