Finding the Fourth Proportional to 5,502,438.20, 7,580,873.97 and 4,257,769.05
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Solution
The fourth proportional to 5,502,438.20, 7,580,873.97 and 4,257,769.05 is: 5,866,055.99
Step by Step Solution
- Step 1: Write the proportion equation
5,502,438.20 : 7,580,873.97 = 4,257,769.05 : x - Step 2: Convert to fraction form
5,502,438.20/7,580,873.97 = 4,257,769.05/x - Step 3: Cross multiply
5,502,438.20x = 7,580,873.97 × 4,257,769.05 - Step 4: Simplify right side
5,502,438.20x = 32,277,610,561,416.62 - Step 5: Solve for x
x = 32,277,610,561,416.62/5,502,438.20 - Step 6: Final answer
x = 5,866,055.99
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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.