Finding the Fourth Proportional to 6,915,965.88, 10,374,447.05 and 2,656,134.12
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Solution
The fourth proportional to 6,915,965.88, 10,374,447.05 and 2,656,134.12 is: 3,984,392.52
Step by Step Solution
- Step 1: Write the proportion equation
6,915,965.88 : 10,374,447.05 = 2,656,134.12 : x - Step 2: Convert to fraction form
6,915,965.88/10,374,447.05 = 2,656,134.12/x - Step 3: Cross multiply
6,915,965.88x = 10,374,447.05 × 2,656,134.12 - Step 4: Simplify right side
6,915,965.88x = 27,555,922,720,485.44 - Step 5: Solve for x
x = 27,555,922,720,485.44/6,915,965.88 - Step 6: Final answer
x = 3,984,392.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.