Finding the Fourth Proportional to 2,811,855.28, 3,880,362.36 and 1,522,697.08
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Solution
The fourth proportional to 2,811,855.28, 3,880,362.36 and 1,522,697.08 is: 2,101,323.09
Step by Step Solution
- Step 1: Write the proportion equation
2,811,855.28 : 3,880,362.36 = 1,522,697.08 : x - Step 2: Convert to fraction form
2,811,855.28/3,880,362.36 = 1,522,697.08/x - Step 3: Cross multiply
2,811,855.28x = 3,880,362.36 × 1,522,697.08 - Step 4: Simplify right side
2,811,855.28x = 5,908,616,434,913.91 - Step 5: Solve for x
x = 5,908,616,434,913.91/2,811,855.28 - Step 6: Final answer
x = 2,101,323.09
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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.