Finding the Fourth Proportional to 5,458,117.80, 8,171,430.30 and 4,891,247.40
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Solution
The fourth proportional to 5,458,117.80, 8,171,430.30 and 4,891,247.40 is: 7,322,760.09
Step by Step Solution
- Step 1: Write the proportion equation
5,458,117.80 : 8,171,430.30 = 4,891,247.40 : x - Step 2: Convert to fraction form
5,458,117.80/8,171,430.30 = 4,891,247.40/x - Step 3: Cross multiply
5,458,117.80x = 8,171,430.30 × 4,891,247.40 - Step 4: Simplify right side
5,458,117.80x = 39,968,487,209,156.22 - Step 5: Solve for x
x = 39,968,487,209,156.22/5,458,117.80 - Step 6: Final answer
x = 7,322,760.09
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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.