Finding the Fourth Proportional to 5,390,213.40, 8,085,449.70 and 1,603,819.80
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Solution
The fourth proportional to 5,390,213.40, 8,085,449.70 and 1,603,819.80 is: 2,405,768.26
Step by Step Solution
- Step 1: Write the proportion equation
5,390,213.40 : 8,085,449.70 = 1,603,819.80 : x - Step 2: Convert to fraction form
5,390,213.40/8,085,449.70 = 1,603,819.80/x - Step 3: Cross multiply
5,390,213.40x = 8,085,449.70 × 1,603,819.80 - Step 4: Simplify right side
5,390,213.40x = 12,967,604,320,764.06 - Step 5: Solve for x
x = 12,967,604,320,764.06/5,390,213.40 - Step 6: Final answer
x = 2,405,768.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.