Finding the Fourth Proportional to 5,303,449.08, 7,318,760.94 and 2,889,001.08
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Solution
The fourth proportional to 5,303,449.08, 7,318,760.94 and 2,889,001.08 is: 3,986,822.15
Step by Step Solution
- Step 1: Write the proportion equation
5,303,449.08 : 7,318,760.94 = 2,889,001.08 : x - Step 2: Convert to fraction form
5,303,449.08/7,318,760.94 = 2,889,001.08/x - Step 3: Cross multiply
5,303,449.08x = 7,318,760.94 × 2,889,001.08 - Step 4: Simplify right side
5,303,449.08x = 21,143,908,259,921.82 - Step 5: Solve for x
x = 21,143,908,259,921.82/5,303,449.08 - Step 6: Final answer
x = 3,986,822.15
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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.