Finding the Fourth Proportional to 5,201,293.07, 7,178,545.92 and 2,995,731.96
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Solution
The fourth proportional to 5,201,293.07, 7,178,545.92 and 2,995,731.96 is: 4,134,548.69
Step by Step Solution
- Step 1: Write the proportion equation
5,201,293.07 : 7,178,545.92 = 2,995,731.96 : x - Step 2: Convert to fraction form
5,201,293.07/7,178,545.92 = 2,995,731.96/x - Step 3: Cross multiply
5,201,293.07x = 7,178,545.92 × 2,995,731.96 - Step 4: Simplify right side
5,201,293.07x = 21,504,999,438,871.60 - Step 5: Solve for x
x = 21,504,999,438,871.60/5,201,293.07 - Step 6: Final answer
x = 4,134,548.69
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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.