Finding the Fourth Proportional to 5,266,632.75, 7,899,952.37 and 1,277,544.75
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Solution
The fourth proportional to 5,266,632.75, 7,899,952.37 and 1,277,544.75 is: 1,916,317.91
Step by Step Solution
- Step 1: Write the proportion equation
5,266,632.75 : 7,899,952.37 = 1,277,544.75 : x - Step 2: Convert to fraction form
5,266,632.75/7,899,952.37 = 1,277,544.75/x - Step 3: Cross multiply
5,266,632.75x = 7,899,952.37 × 1,277,544.75 - Step 4: Simplify right side
5,266,632.75x = 10,092,542,669,155.83 - Step 5: Solve for x
x = 10,092,542,669,155.83/5,266,632.75 - Step 6: Final answer
x = 1,916,317.91
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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.