Finding the Fourth Proportional to 4,086,248.65, 5,639,022.86 and 2,368,365.62
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Solution
The fourth proportional to 4,086,248.65, 5,639,022.86 and 2,368,365.62 is: 3,268,344.40
Step by Step Solution
- Step 1: Write the proportion equation
4,086,248.65 : 5,639,022.86 = 2,368,365.62 : x - Step 2: Convert to fraction form
4,086,248.65/5,639,022.86 = 2,368,365.62/x - Step 3: Cross multiply
4,086,248.65x = 5,639,022.86 × 2,368,365.62 - Step 4: Simplify right side
4,086,248.65x = 13,355,267,872,018.07 - Step 5: Solve for x
x = 13,355,267,872,018.07/4,086,248.65 - Step 6: Final answer
x = 3,268,344.40
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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.