Finding the Fourth Proportional to 5,572,040.43, 7,686,157.98 and 3,503,782.65
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Solution
The fourth proportional to 5,572,040.43, 7,686,157.98 and 3,503,782.65 is: 4,833,171.50
Step by Step Solution
- Step 1: Write the proportion equation
5,572,040.43 : 7,686,157.98 = 3,503,782.65 : x - Step 2: Convert to fraction form
5,572,040.43/7,686,157.98 = 3,503,782.65/x - Step 3: Cross multiply
5,572,040.43x = 7,686,157.98 × 3,503,782.65 - Step 4: Simplify right side
5,572,040.43x = 26,930,626,975,483.05 - Step 5: Solve for x
x = 26,930,626,975,483.05/5,572,040.43 - Step 6: Final answer
x = 4,833,171.50
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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.