Finding the Fourth Proportional to 6,390,348.40, 9,590,965.80 and 2,606,546.80
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Solution
The fourth proportional to 6,390,348.40, 9,590,965.80 and 2,606,546.80 is: 3,912,040.42
Step by Step Solution
- Step 1: Write the proportion equation
6,390,348.40 : 9,590,965.80 = 2,606,546.80 : x - Step 2: Convert to fraction form
6,390,348.40/9,590,965.80 = 2,606,546.80/x - Step 3: Cross multiply
6,390,348.40x = 9,590,965.80 × 2,606,546.80 - Step 4: Simplify right side
6,390,348.40x = 24,999,301,214,899.44 - Step 5: Solve for x
x = 24,999,301,214,899.44/6,390,348.40 - Step 6: Final answer
x = 3,912,040.42
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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.