Finding the Fourth Proportional to 3,072,062.40, 4,239,437.40 and 1,695,396.12
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Solution
The fourth proportional to 3,072,062.40, 4,239,437.40 and 1,695,396.12 is: 2,339,641.84
Step by Step Solution
- Step 1: Write the proportion equation
3,072,062.40 : 4,239,437.40 = 1,695,396.12 : x - Step 2: Convert to fraction form
3,072,062.40/4,239,437.40 = 1,695,396.12/x - Step 3: Cross multiply
3,072,062.40x = 4,239,437.40 × 1,695,396.12 - Step 4: Simplify right side
3,072,062.40x = 7,187,525,718,942.89 - Step 5: Solve for x
x = 7,187,525,718,942.89/3,072,062.40 - Step 6: Final answer
x = 2,339,641.84
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1.5x scale
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.