Finding the Fourth Proportional to 5,163,725.28, 7,126,193.25 and 2,871,836.76
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Solution
The fourth proportional to 5,163,725.28, 7,126,193.25 and 2,871,836.76 is: 3,963,275.08
Step by Step Solution
- Step 1: Write the proportion equation
5,163,725.28 : 7,126,193.25 = 2,871,836.76 : x - Step 2: Convert to fraction form
5,163,725.28/7,126,193.25 = 2,871,836.76/x - Step 3: Cross multiply
5,163,725.28x = 7,126,193.25 × 2,871,836.76 - Step 4: Simplify right side
5,163,725.28x = 20,465,263,734,213.87 - Step 5: Solve for x
x = 20,465,263,734,213.87/5,163,725.28 - Step 6: Final answer
x = 3,963,275.08
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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.