Finding the Fourth Proportional to 5,621,539.93, 7,757,727.62 and 3,043,220.63
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Solution
The fourth proportional to 5,621,539.93, 7,757,727.62 and 3,043,220.63 is: 4,199,645.82
Step by Step Solution
- Step 1: Write the proportion equation
5,621,539.93 : 7,757,727.62 = 3,043,220.63 : x - Step 2: Convert to fraction form
5,621,539.93/7,757,727.62 = 3,043,220.63/x - Step 3: Cross multiply
5,621,539.93x = 7,757,727.62 × 3,043,220.63 - Step 4: Simplify right side
5,621,539.93x = 23,608,476,681,100.06 - Step 5: Solve for x
x = 23,608,476,681,100.06/5,621,539.93 - Step 6: Final answer
x = 4,199,645.82
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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.