Finding the Fourth Proportional to 5,189,088.91, 7,783,633.55 and 3,778,123.99
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Solution
The fourth proportional to 5,189,088.91, 7,783,633.55 and 3,778,123.99 is: 5,667,186.12
Step by Step Solution
- Step 1: Write the proportion equation
5,189,088.91 : 7,783,633.55 = 3,778,123.99 : x - Step 2: Convert to fraction form
5,189,088.91/7,783,633.55 = 3,778,123.99/x - Step 3: Cross multiply
5,189,088.91x = 7,783,633.55 × 3,778,123.99 - Step 4: Simplify right side
5,189,088.91x = 29,407,532,644,623.87 - Step 5: Solve for x
x = 29,407,532,644,623.87/5,189,088.91 - Step 6: Final answer
x = 5,667,186.12
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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.