Finding the Fourth Proportional to 5,415,352.12, 7,468,416.12 and 3,350,039.68
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Solution
The fourth proportional to 5,415,352.12, 7,468,416.12 and 3,350,039.68 is: 4,620,104.07
Step by Step Solution
- Step 1: Write the proportion equation
5,415,352.12 : 7,468,416.12 = 3,350,039.68 : x - Step 2: Convert to fraction form
5,415,352.12/7,468,416.12 = 3,350,039.68/x - Step 3: Cross multiply
5,415,352.12x = 7,468,416.12 × 3,350,039.68 - Step 4: Simplify right side
5,415,352.12x = 25,019,490,348,751.64 - Step 5: Solve for x
x = 25,019,490,348,751.64/5,415,352.12 - Step 6: Final answer
x = 4,620,104.07
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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.