Finding the Fourth Proportional to 5,201,290.06, 7,178,541.77 and 2,995,728.96
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Solution
The fourth proportional to 5,201,290.06, 7,178,541.77 and 2,995,728.96 is: 4,134,544.55
Step by Step Solution
- Step 1: Write the proportion equation
5,201,290.06 : 7,178,541.77 = 2,995,728.96 : x - Step 2: Convert to fraction form
5,201,290.06/7,178,541.77 = 2,995,728.96/x - Step 3: Cross multiply
5,201,290.06x = 7,178,541.77 × 2,995,728.96 - Step 4: Simplify right side
5,201,290.06x = 21,504,965,464,988.21 - Step 5: Solve for x
x = 21,504,965,464,988.21/5,201,290.06 - Step 6: Final answer
x = 4,134,544.55
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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.