Finding the Fourth Proportional to 1,977,011.36, 2,728,855.70 and 1,150,279.44
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Solution
The fourth proportional to 1,977,011.36, 2,728,855.70 and 1,150,279.44 is: 1,587,723.10
Step by Step Solution
- Step 1: Write the proportion equation
1,977,011.36 : 2,728,855.70 = 1,150,279.44 : x - Step 2: Convert to fraction form
1,977,011.36/2,728,855.70 = 1,150,279.44/x - Step 3: Cross multiply
1,977,011.36x = 2,728,855.70 × 1,150,279.44 - Step 4: Simplify right side
1,977,011.36x = 3,138,946,606,436.81 - Step 5: Solve for x
x = 3,138,946,606,436.81/1,977,011.36 - Step 6: Final answer
x = 1,587,723.10
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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.