Finding the Fourth Proportional to 5,191,392.53, 7,791,974.01 and 2,634,443.26
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Solution
The fourth proportional to 5,191,392.53, 7,791,974.01 and 2,634,443.26 is: 3,954,143.95
Step by Step Solution
- Step 1: Write the proportion equation
5,191,392.53 : 7,791,974.01 = 2,634,443.26 : x - Step 2: Convert to fraction form
5,191,392.53/7,791,974.01 = 2,634,443.26/x - Step 3: Cross multiply
5,191,392.53x = 7,791,974.01 × 2,634,443.26 - Step 4: Simplify right side
5,191,392.53x = 20,527,513,393,259.73 - Step 5: Solve for x
x = 20,527,513,393,259.73/5,191,392.53 - Step 6: Final answer
x = 3,954,143.95
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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.