Finding the Fourth Proportional to 7,583,037.49, 11,373,434.79 and 2,789,605.63
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Solution
The fourth proportional to 7,583,037.49, 11,373,434.79 and 2,789,605.63 is: 4,183,995.89
Step by Step Solution
- Step 1: Write the proportion equation
7,583,037.49 : 11,373,434.79 = 2,789,605.63 : x - Step 2: Convert to fraction form
7,583,037.49/11,373,434.79 = 2,789,605.63/x - Step 3: Cross multiply
7,583,037.49x = 11,373,434.79 × 2,789,605.63 - Step 4: Simplify right side
7,583,037.49x = 31,727,397,722,621.86 - Step 5: Solve for x
x = 31,727,397,722,621.86/7,583,037.49 - Step 6: Final answer
x = 4,183,995.89
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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.