Finding the Fourth Proportional to 4,517,313.67, 6,775,970.32 and 1,322,439.83
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Solution
The fourth proportional to 4,517,313.67, 6,775,970.32 and 1,322,439.83 is: 1,983,659.69
Step by Step Solution
- Step 1: Write the proportion equation
4,517,313.67 : 6,775,970.32 = 1,322,439.83 : x - Step 2: Convert to fraction form
4,517,313.67/6,775,970.32 = 1,322,439.83/x - Step 3: Cross multiply
4,517,313.67x = 6,775,970.32 × 1,322,439.83 - Step 4: Simplify right side
4,517,313.67x = 8,960,813,051,699.67 - Step 5: Solve for x
x = 8,960,813,051,699.67/4,517,313.67 - Step 6: Final answer
x = 1,983,659.69
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1.5x scale
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.