Finding the Fourth Proportional to 5,917,997.80, 8,858,334.30 and 5,731,373.80
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Solution
The fourth proportional to 5,917,997.80, 8,858,334.30 and 5,731,373.80 is: 8,578,986.82
Step by Step Solution
- Step 1: Write the proportion equation
5,917,997.80 : 8,858,334.30 = 5,731,373.80 : x - Step 2: Convert to fraction form
5,917,997.80/8,858,334.30 = 5,731,373.80/x - Step 3: Cross multiply
5,917,997.80x = 8,858,334.30 × 5,731,373.80 - Step 4: Simplify right side
5,917,997.80x = 50,770,425,118,661.34 - Step 5: Solve for x
x = 50,770,425,118,661.34/5,917,997.80 - Step 6: Final answer
x = 8,578,986.82
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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.