Finding the Fourth Proportional to 6,772,799.44, 9,346,163.40 and 3,717,019.60
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Solution
The fourth proportional to 6,772,799.44, 9,346,163.40 and 3,717,019.60 is: 5,129,322.50
Step by Step Solution
- Step 1: Write the proportion equation
6,772,799.44 : 9,346,163.40 = 3,717,019.60 : x - Step 2: Convert to fraction form
6,772,799.44/9,346,163.40 = 3,717,019.60/x - Step 3: Cross multiply
6,772,799.44x = 9,346,163.40 × 3,717,019.60 - Step 4: Simplify right side
6,772,799.44x = 34,739,872,542,602.64 - Step 5: Solve for x
x = 34,739,872,542,602.64/6,772,799.44 - Step 6: Final answer
x = 5,129,322.50
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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.