Finding the Fourth Proportional to 5,322,408.60, 7,344,926.87 and 2,875,019.73
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Solution
The fourth proportional to 5,322,408.60, 7,344,926.87 and 2,875,019.73 is: 3,967,528.85
Step by Step Solution
- Step 1: Write the proportion equation
5,322,408.60 : 7,344,926.87 = 2,875,019.73 : x - Step 2: Convert to fraction form
5,322,408.60/7,344,926.87 = 2,875,019.73/x - Step 3: Cross multiply
5,322,408.60x = 7,344,926.87 × 2,875,019.73 - Step 4: Simplify right side
5,322,408.60x = 21,116,809,666,657.14 - Step 5: Solve for x
x = 21,116,809,666,657.14/5,322,408.60 - Step 6: Final answer
x = 3,967,528.85
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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.