Finding the Fourth Proportional to 5,201,291.06, 7,178,543.15 and 2,995,729.96
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Solution
The fourth proportional to 5,201,291.06, 7,178,543.15 and 2,995,729.96 is: 4,134,545.93
Step by Step Solution
- Step 1: Write the proportion equation
5,201,291.06 : 7,178,543.15 = 2,995,729.96 : x - Step 2: Convert to fraction form
5,201,291.06/7,178,543.15 = 2,995,729.96/x - Step 3: Cross multiply
5,201,291.06x = 7,178,543.15 × 2,995,729.96 - Step 4: Simplify right side
5,201,291.06x = 21,504,976,783,607.77 - Step 5: Solve for x
x = 21,504,976,783,607.77/5,201,291.06 - Step 6: Final answer
x = 4,134,545.93
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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.