Finding the Fourth Proportional to 5,713,897.13, 7,884,789.86 and 3,135,743.98
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Solution
The fourth proportional to 5,713,897.13, 7,884,789.86 and 3,135,743.98 is: 4,327,113.66
Step by Step Solution
- Step 1: Write the proportion equation
5,713,897.13 : 7,884,789.86 = 3,135,743.98 : x - Step 2: Convert to fraction form
5,713,897.13/7,884,789.86 = 3,135,743.98/x - Step 3: Cross multiply
5,713,897.13x = 7,884,789.86 × 3,135,743.98 - Step 4: Simplify right side
5,713,897.13x = 24,724,682,340,257.17 - Step 5: Solve for x
x = 24,724,682,340,257.17/5,713,897.13 - Step 6: Final answer
x = 4,327,113.66
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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.