Finding the Fourth Proportional to 5,011,302.72, 6,915,615.84 and 2,719,462.80
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Solution
The fourth proportional to 5,011,302.72, 6,915,615.84 and 2,719,462.80 is: 3,752,868.48
Step by Step Solution
- Step 1: Write the proportion equation
5,011,302.72 : 6,915,615.84 = 2,719,462.80 : x - Step 2: Convert to fraction form
5,011,302.72/6,915,615.84 = 2,719,462.80/x - Step 3: Cross multiply
5,011,302.72x = 6,915,615.84 × 2,719,462.80 - Step 4: Simplify right side
5,011,302.72x = 18,806,760,015,970.75 - Step 5: Solve for x
x = 18,806,760,015,970.75/5,011,302.72 - Step 6: Final answer
x = 3,752,868.48
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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.