Finding the Fourth Proportional to 5,485,720.71, 8,220,740.67 and 3,084,525.93
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Solution
The fourth proportional to 5,485,720.71, 8,220,740.67 and 3,084,525.93 is: 4,622,380.38
Step by Step Solution
- Step 1: Write the proportion equation
5,485,720.71 : 8,220,740.67 = 3,084,525.93 : x - Step 2: Convert to fraction form
5,485,720.71/8,220,740.67 = 3,084,525.93/x - Step 3: Cross multiply
5,485,720.71x = 8,220,740.67 × 3,084,525.93 - Step 4: Simplify right side
5,485,720.71x = 25,357,087,760,420.57 - Step 5: Solve for x
x = 25,357,087,760,420.57/5,485,720.71 - Step 6: Final answer
x = 4,622,380.38
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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.