Finding the Fourth Proportional to 5,716,078.77, 7,888,157.67 and 3,137,803.41
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Solution
The fourth proportional to 5,716,078.77, 7,888,157.67 and 3,137,803.41 is: 4,330,151.67
Step by Step Solution
- Step 1: Write the proportion equation
5,716,078.77 : 7,888,157.67 = 3,137,803.41 : x - Step 2: Convert to fraction form
5,716,078.77/7,888,157.67 = 3,137,803.41/x - Step 3: Cross multiply
5,716,078.77x = 7,888,157.67 × 3,137,803.41 - Step 4: Simplify right side
5,716,078.77x = 24,751,488,035,543.66 - Step 5: Solve for x
x = 24,751,488,035,543.66/5,716,078.77 - Step 6: Final answer
x = 4,330,151.67
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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.