Finding the Fourth Proportional to 3,658,661.96, 5,461,891.44 and 3,415,527.08
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Solution
The fourth proportional to 3,658,661.96, 5,461,891.44 and 3,415,527.08 is: 5,098,923.68
Step by Step Solution
- Step 1: Write the proportion equation
3,658,661.96 : 5,461,891.44 = 3,415,527.08 : x - Step 2: Convert to fraction form
3,658,661.96/5,461,891.44 = 3,415,527.08/x - Step 3: Cross multiply
3,658,661.96x = 5,461,891.44 × 3,415,527.08 - Step 4: Simplify right side
3,658,661.96x = 18,655,238,121,340.20 - Step 5: Solve for x
x = 18,655,238,121,340.20/3,658,661.96 - Step 6: Final answer
x = 5,098,923.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.