Finding the Fourth Proportional to 4,282,993.12, 6,415,924.02 and 2,576,194.24
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Solution
The fourth proportional to 4,282,993.12, 6,415,924.02 and 2,576,194.24 is: 3,859,139.17
Step by Step Solution
- Step 1: Write the proportion equation
4,282,993.12 : 6,415,924.02 = 2,576,194.24 : x - Step 2: Convert to fraction form
4,282,993.12/6,415,924.02 = 2,576,194.24/x - Step 3: Cross multiply
4,282,993.12x = 6,415,924.02 × 2,576,194.24 - Step 4: Simplify right side
4,282,993.12x = 16,528,666,504,601.64 - Step 5: Solve for x
x = 16,528,666,504,601.64/4,282,993.12 - Step 6: Final answer
x = 3,859,139.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.