Finding the Fourth Proportional to 5,225,091.68, 7,210,133.52 and 2,932,804.64
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Solution
The fourth proportional to 5,225,091.68, 7,210,133.52 and 2,932,804.64 is: 4,046,993.69
Step by Step Solution
- Step 1: Write the proportion equation
5,225,091.68 : 7,210,133.52 = 2,932,804.64 : x - Step 2: Convert to fraction form
5,225,091.68/7,210,133.52 = 2,932,804.64/x - Step 3: Cross multiply
5,225,091.68x = 7,210,133.52 × 2,932,804.64 - Step 4: Simplify right side
5,225,091.68x = 21,145,913,042,475.53 - Step 5: Solve for x
x = 21,145,913,042,475.53/5,225,091.68 - Step 6: Final answer
x = 4,046,993.69
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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.